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Finding the Fourth Proportional to 10,658.79, 14,713.18 and 8,013.88

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Solution

The fourth proportional to 10,658.79, 14,713.18 and 8,013.88 is: 11,062.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,658.79 : 14,713.18 = 8,013.88 : x
  2. Step 2: Convert to fraction form
    10,658.79/14,713.18 = 8,013.88/x
  3. Step 3: Cross multiply
    10,658.79x = 14,713.18 × 8,013.88
  4. Step 4: Simplify right side
    10,658.79x = 117,909,702.37
  5. Step 5: Solve for x
    x = 117,909,702.37/10,658.79
  6. Step 6: Final answer
    x = 11,062.20

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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.