Home / 15,555.69-21,466.39-8,482.25

Finding the Fourth Proportional to 15,555.69, 21,466.39 and 8,482.25

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Solution

The fourth proportional to 15,555.69, 21,466.39 and 8,482.25 is: 11,705.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,555.69 : 21,466.39 = 8,482.25 : x
  2. Step 2: Convert to fraction form
    15,555.69/21,466.39 = 8,482.25/x
  3. Step 3: Cross multiply
    15,555.69x = 21,466.39 × 8,482.25
  4. Step 4: Simplify right side
    15,555.69x = 182,083,244.17
  5. Step 5: Solve for x
    x = 182,083,244.17/15,555.69
  6. Step 6: Final answer
    x = 11,705.25

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Half scale
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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.