Home / 14,325-19,770.66-8,739.24

Finding the Fourth Proportional to 14,325, 19,770.66 and 8,739.24

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Solution

The fourth proportional to 14,325, 19,770.66 and 8,739.24 is: 12,061.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,325 : 19,770.66 = 8,739.24 : x
  2. Step 2: Convert to fraction form
    14,325/19,770.66 = 8,739.24/x
  3. Step 3: Cross multiply
    14,325x = 19,770.66 × 8,739.24
  4. Step 4: Simplify right side
    14,325x = 172,780,542.70
  5. Step 5: Solve for x
    x = 172,780,542.70/14,325
  6. Step 6: Final answer
    x = 12,061.47

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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.