Home / 9,908.22-14,877.45-8,456.70

Finding the Fourth Proportional to 9,908.22, 14,877.45 and 8,456.70

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Solution

The fourth proportional to 9,908.22, 14,877.45 and 8,456.70 is: 12,697.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,908.22 : 14,877.45 = 8,456.70 : x
  2. Step 2: Convert to fraction form
    9,908.22/14,877.45 = 8,456.70/x
  3. Step 3: Cross multiply
    9,908.22x = 14,877.45 × 8,456.70
  4. Step 4: Simplify right side
    9,908.22x = 125,814,131.42
  5. Step 5: Solve for x
    x = 125,814,131.42/9,908.22
  6. Step 6: Final answer
    x = 12,697.95

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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.