Home / 18,488.77-25,517.14-10,531.73

Finding the Fourth Proportional to 18,488.77, 25,517.14 and 10,531.73

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Solution

The fourth proportional to 18,488.77, 25,517.14 and 10,531.73 is: 14,535.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,488.77 : 25,517.14 = 10,531.73 : x
  2. Step 2: Convert to fraction form
    18,488.77/25,517.14 = 10,531.73/x
  3. Step 3: Cross multiply
    18,488.77x = 25,517.14 × 10,531.73
  4. Step 4: Simplify right side
    18,488.77x = 268,739,666.32
  5. Step 5: Solve for x
    x = 268,739,666.32/18,488.77
  6. Step 6: Final answer
    x = 14,535.29

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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.