Home / 10,439.29-14,406.15-5,964.43

Finding the Fourth Proportional to 10,439.29, 14,406.15 and 5,964.43

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Solution

The fourth proportional to 10,439.29, 14,406.15 and 5,964.43 is: 8,230.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,439.29 : 14,406.15 = 5,964.43 : x
  2. Step 2: Convert to fraction form
    10,439.29/14,406.15 = 5,964.43/x
  3. Step 3: Cross multiply
    10,439.29x = 14,406.15 × 5,964.43
  4. Step 4: Simplify right side
    10,439.29x = 85,924,473.24
  5. Step 5: Solve for x
    x = 85,924,473.24/10,439.29
  6. Step 6: Final answer
    x = 8,230.87

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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.