Home / 9,910.10-14,883.68-8,724.58

Finding the Fourth Proportional to 9,910.10, 14,883.68 and 8,724.58

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Solution

The fourth proportional to 9,910.10, 14,883.68 and 8,724.58 is: 13,103.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,910.10 : 14,883.68 = 8,724.58 : x
  2. Step 2: Convert to fraction form
    9,910.10/14,883.68 = 8,724.58/x
  3. Step 3: Cross multiply
    9,910.10x = 14,883.68 × 8,724.58
  4. Step 4: Simplify right side
    9,910.10x = 129,853,856.85
  5. Step 5: Solve for x
    x = 129,853,856.85/9,910.10
  6. Step 6: Final answer
    x = 13,103.18

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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.