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Finding the Fourth Proportional to 16,203.70, 24,305.55 and 15,110.20

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Solution

The fourth proportional to 16,203.70, 24,305.55 and 15,110.20 is: 22,665.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,203.70 : 24,305.55 = 15,110.20 : x
  2. Step 2: Convert to fraction form
    16,203.70/24,305.55 = 15,110.20/x
  3. Step 3: Cross multiply
    16,203.70x = 24,305.55 × 15,110.20
  4. Step 4: Simplify right side
    16,203.70x = 367,261,721.61
  5. Step 5: Solve for x
    x = 367,261,721.61/16,203.70
  6. Step 6: Final answer
    x = 22,665.30

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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.