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Finding the Fourth Proportional to 9,308.52, 13,939.02 and 9,031.50

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Solution

The fourth proportional to 9,308.52, 13,939.02 and 9,031.50 is: 13,524.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,308.52 : 13,939.02 = 9,031.50 : x
  2. Step 2: Convert to fraction form
    9,308.52/13,939.02 = 9,031.50/x
  3. Step 3: Cross multiply
    9,308.52x = 13,939.02 × 9,031.50
  4. Step 4: Simplify right side
    9,308.52x = 125,890,259.13
  5. Step 5: Solve for x
    x = 125,890,259.13/9,308.52
  6. Step 6: Final answer
    x = 13,524.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.