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Finding the Fourth Proportional to 10,718.56, 14,789.04 and 6,002.08

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Solution

The fourth proportional to 10,718.56, 14,789.04 and 6,002.08 is: 8,281.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,718.56 : 14,789.04 = 6,002.08 : x
  2. Step 2: Convert to fraction form
    10,718.56/14,789.04 = 6,002.08/x
  3. Step 3: Cross multiply
    10,718.56x = 14,789.04 × 6,002.08
  4. Step 4: Simplify right side
    10,718.56x = 88,765,001.20
  5. Step 5: Solve for x
    x = 88,765,001.20/10,718.56
  6. Step 6: Final answer
    x = 8,281.43

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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.