Home / 14,726.20-20,319.90-8,757.76

Finding the Fourth Proportional to 14,726.20, 20,319.90 and 8,757.76

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Solution

The fourth proportional to 14,726.20, 20,319.90 and 8,757.76 is: 12,084.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,726.20 : 20,319.90 = 8,757.76 : x
  2. Step 2: Convert to fraction form
    14,726.20/20,319.90 = 8,757.76/x
  3. Step 3: Cross multiply
    14,726.20x = 20,319.90 × 8,757.76
  4. Step 4: Simplify right side
    14,726.20x = 177,956,807.42
  5. Step 5: Solve for x
    x = 177,956,807.42/14,726.20
  6. Step 6: Final answer
    x = 12,084.37

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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.