Home / 10,371.13-14,318.51-6,397.68

Finding the Fourth Proportional to 10,371.13, 14,318.51 and 6,397.68

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Solution

The fourth proportional to 10,371.13, 14,318.51 and 6,397.68 is: 8,832.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,371.13 : 14,318.51 = 6,397.68 : x
  2. Step 2: Convert to fraction form
    10,371.13/14,318.51 = 6,397.68/x
  3. Step 3: Cross multiply
    10,371.13x = 14,318.51 × 6,397.68
  4. Step 4: Simplify right side
    10,371.13x = 91,605,245.06
  5. Step 5: Solve for x
    x = 91,605,245.06/10,371.13
  6. Step 6: Final answer
    x = 8,832.72

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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.