Home / 15,307.54-21,124.39-8,593.18

Finding the Fourth Proportional to 15,307.54, 21,124.39 and 8,593.18

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Solution

The fourth proportional to 15,307.54, 21,124.39 and 8,593.18 is: 11,858.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,307.54 : 21,124.39 = 8,593.18 : x
  2. Step 2: Convert to fraction form
    15,307.54/21,124.39 = 8,593.18/x
  3. Step 3: Cross multiply
    15,307.54x = 21,124.39 × 8,593.18
  4. Step 4: Simplify right side
    15,307.54x = 181,525,685.66
  5. Step 5: Solve for x
    x = 181,525,685.66/15,307.54
  6. Step 6: Final answer
    x = 11,858.58

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Half scale
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Double scale
Find fourth proportional to 15,308.54, 21,125.77 and 8,594.18
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.