Home / 15,537.43-21,441.64-8,463.85

Finding the Fourth Proportional to 15,537.43, 21,441.64 and 8,463.85

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Solution

The fourth proportional to 15,537.43, 21,441.64 and 8,463.85 is: 11,680.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,537.43 : 21,441.64 = 8,463.85 : x
  2. Step 2: Convert to fraction form
    15,537.43/21,441.64 = 8,463.85/x
  3. Step 3: Cross multiply
    15,537.43x = 21,441.64 × 8,463.85
  4. Step 4: Simplify right side
    15,537.43x = 181,478,824.71
  5. Step 5: Solve for x
    x = 181,478,824.71/15,537.43
  6. Step 6: Final answer
    x = 11,680.11

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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.