Home / 14,726.12-20,319.28-8,759.24

Finding the Fourth Proportional to 14,726.12, 20,319.28 and 8,759.24

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Solution

The fourth proportional to 14,726.12, 20,319.28 and 8,759.24 is: 12,086.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,726.12 : 20,319.28 = 8,759.24 : x
  2. Step 2: Convert to fraction form
    14,726.12/20,319.28 = 8,759.24/x
  3. Step 3: Cross multiply
    14,726.12x = 20,319.28 × 8,759.24
  4. Step 4: Simplify right side
    14,726.12x = 177,981,450.15
  5. Step 5: Solve for x
    x = 177,981,450.15/14,726.12
  6. Step 6: Final answer
    x = 12,086.11

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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.