Home / 10,251.30-14,117.72-9,234.35

Finding the Fourth Proportional to 10,251.30, 14,117.72 and 9,234.35

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Solution

The fourth proportional to 10,251.30, 14,117.72 and 9,234.35 is: 12,717.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,251.30 : 14,117.72 = 9,234.35 : x
  2. Step 2: Convert to fraction form
    10,251.30/14,117.72 = 9,234.35/x
  3. Step 3: Cross multiply
    10,251.30x = 14,117.72 × 9,234.35
  4. Step 4: Simplify right side
    10,251.30x = 130,367,850.92
  5. Step 5: Solve for x
    x = 130,367,850.92/10,251.30
  6. Step 6: Final answer
    x = 12,717.20

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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.