Home / 15,573.34-21,491.22-8,500.15

Finding the Fourth Proportional to 15,573.34, 21,491.22 and 8,500.15

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Solution

The fourth proportional to 15,573.34, 21,491.22 and 8,500.15 is: 11,730.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,573.34 : 21,491.22 = 8,500.15 : x
  2. Step 2: Convert to fraction form
    15,573.34/21,491.22 = 8,500.15/x
  3. Step 3: Cross multiply
    15,573.34x = 21,491.22 × 8,500.15
  4. Step 4: Simplify right side
    15,573.34x = 182,678,593.68
  5. Step 5: Solve for x
    x = 182,678,593.68/15,573.34
  6. Step 6: Final answer
    x = 11,730.21

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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.