Home / 14,704.72-20,292.45-8,331.30

Finding the Fourth Proportional to 14,704.72, 20,292.45 and 8,331.30

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Solution

The fourth proportional to 14,704.72, 20,292.45 and 8,331.30 is: 11,497.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,704.72 : 20,292.45 = 8,331.30 : x
  2. Step 2: Convert to fraction form
    14,704.72/20,292.45 = 8,331.30/x
  3. Step 3: Cross multiply
    14,704.72x = 20,292.45 × 8,331.30
  4. Step 4: Simplify right side
    14,704.72x = 169,062,468.66
  5. Step 5: Solve for x
    x = 169,062,468.66/14,704.72
  6. Step 6: Final answer
    x = 11,497.15

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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.