Home / 15,308.97-21,127.20-8,594.25

Finding the Fourth Proportional to 15,308.97, 21,127.20 and 8,594.25

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Solution

The fourth proportional to 15,308.97, 21,127.20 and 8,594.25 is: 11,860.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,308.97 : 21,127.20 = 8,594.25 : x
  2. Step 2: Convert to fraction form
    15,308.97/21,127.20 = 8,594.25/x
  3. Step 3: Cross multiply
    15,308.97x = 21,127.20 × 8,594.25
  4. Step 4: Simplify right side
    15,308.97x = 181,572,438.60
  5. Step 5: Solve for x
    x = 181,572,438.60/15,308.97
  6. Step 6: Final answer
    x = 11,860.53

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Double scale
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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.