Home / 9,456.20-14,255.11-8,821.88

Finding the Fourth Proportional to 9,456.20, 14,255.11 and 8,821.88

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Solution

The fourth proportional to 9,456.20, 14,255.11 and 8,821.88 is: 13,298.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,456.20 : 14,255.11 = 8,821.88 : x
  2. Step 2: Convert to fraction form
    9,456.20/14,255.11 = 8,821.88/x
  3. Step 3: Cross multiply
    9,456.20x = 14,255.11 × 8,821.88
  4. Step 4: Simplify right side
    9,456.20x = 125,756,869.81
  5. Step 5: Solve for x
    x = 125,756,869.81/9,456.20
  6. Step 6: Final answer
    x = 13,298.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.