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Finding the Fourth Proportional to 16,488.11, 22,754.02 and 10,118.22

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Solution

The fourth proportional to 16,488.11, 22,754.02 and 10,118.22 is: 13,963.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,488.11 : 22,754.02 = 10,118.22 : x
  2. Step 2: Convert to fraction form
    16,488.11/22,754.02 = 10,118.22/x
  3. Step 3: Cross multiply
    16,488.11x = 22,754.02 × 10,118.22
  4. Step 4: Simplify right side
    16,488.11x = 230,230,129.65
  5. Step 5: Solve for x
    x = 230,230,129.65/16,488.11
  6. Step 6: Final answer
    x = 13,963.40

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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.