Home / 14,605.52-20,145.92-9,306.90

Finding the Fourth Proportional to 14,605.52, 20,145.92 and 9,306.90

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Solution

The fourth proportional to 14,605.52, 20,145.92 and 9,306.90 is: 12,837.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,605.52 : 20,145.92 = 9,306.90 : x
  2. Step 2: Convert to fraction form
    14,605.52/20,145.92 = 9,306.90/x
  3. Step 3: Cross multiply
    14,605.52x = 20,145.92 × 9,306.90
  4. Step 4: Simplify right side
    14,605.52x = 187,496,016.31
  5. Step 5: Solve for x
    x = 187,496,016.31/14,605.52
  6. Step 6: Final answer
    x = 12,837.34

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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.