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Finding the Fourth Proportional to 9,127.68, 13,704.48 and 8,710.08

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Solution

The fourth proportional to 9,127.68, 13,704.48 and 8,710.08 is: 13,077.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,127.68 : 13,704.48 = 8,710.08 : x
  2. Step 2: Convert to fraction form
    9,127.68/13,704.48 = 8,710.08/x
  3. Step 3: Cross multiply
    9,127.68x = 13,704.48 × 8,710.08
  4. Step 4: Simplify right side
    9,127.68x = 119,367,117.16
  5. Step 5: Solve for x
    x = 119,367,117.16/9,127.68
  6. Step 6: Final answer
    x = 13,077.49

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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.