Home / 10,449.38-14,406.18-8,950.88

Finding the Fourth Proportional to 10,449.38, 14,406.18 and 8,950.88

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Solution

The fourth proportional to 10,449.38, 14,406.18 and 8,950.88 is: 12,340.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,449.38 : 14,406.18 = 8,950.88 : x
  2. Step 2: Convert to fraction form
    10,449.38/14,406.18 = 8,950.88/x
  3. Step 3: Cross multiply
    10,449.38x = 14,406.18 × 8,950.88
  4. Step 4: Simplify right side
    10,449.38x = 128,947,988.44
  5. Step 5: Solve for x
    x = 128,947,988.44/10,449.38
  6. Step 6: Final answer
    x = 12,340.25

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Half scale
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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.