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Finding the Fourth Proportional to 15,324.16, 22,989.84 and 4,935.52

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Solution

The fourth proportional to 15,324.16, 22,989.84 and 4,935.52 is: 7,404.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,324.16 : 22,989.84 = 4,935.52 : x
  2. Step 2: Convert to fraction form
    15,324.16/22,989.84 = 4,935.52/x
  3. Step 3: Cross multiply
    15,324.16x = 22,989.84 × 4,935.52
  4. Step 4: Simplify right side
    15,324.16x = 113,466,815.12
  5. Step 5: Solve for x
    x = 113,466,815.12/15,324.16
  6. Step 6: Final answer
    x = 7,404.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.