Home / 15,537.05-21,432.71-9,248.21

Finding the Fourth Proportional to 15,537.05, 21,432.71 and 9,248.21

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Solution

The fourth proportional to 15,537.05, 21,432.71 and 9,248.21 is: 12,757.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,537.05 : 21,432.71 = 9,248.21 : x
  2. Step 2: Convert to fraction form
    15,537.05/21,432.71 = 9,248.21/x
  3. Step 3: Cross multiply
    15,537.05x = 21,432.71 × 9,248.21
  4. Step 4: Simplify right side
    15,537.05x = 198,214,156.71
  5. Step 5: Solve for x
    x = 198,214,156.71/15,537.05
  6. Step 6: Final answer
    x = 12,757.52

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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.