Home / 15,612.17-21,537.24-9,237.02

Finding the Fourth Proportional to 15,612.17, 21,537.24 and 9,237.02

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Solution

The fourth proportional to 15,612.17, 21,537.24 and 9,237.02 is: 12,742.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,612.17 : 21,537.24 = 9,237.02 : x
  2. Step 2: Convert to fraction form
    15,612.17/21,537.24 = 9,237.02/x
  3. Step 3: Cross multiply
    15,612.17x = 21,537.24 × 9,237.02
  4. Step 4: Simplify right side
    15,612.17x = 198,939,916.62
  5. Step 5: Solve for x
    x = 198,939,916.62/15,612.17
  6. Step 6: Final answer
    x = 12,742.62

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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.