Home / 10,158.39-14,027.24-6,387.87

Finding the Fourth Proportional to 10,158.39, 14,027.24 and 6,387.87

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Solution

The fourth proportional to 10,158.39, 14,027.24 and 6,387.87 is: 8,820.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,158.39 : 14,027.24 = 6,387.87 : x
  2. Step 2: Convert to fraction form
    10,158.39/14,027.24 = 6,387.87/x
  3. Step 3: Cross multiply
    10,158.39x = 14,027.24 × 6,387.87
  4. Step 4: Simplify right side
    10,158.39x = 89,604,185.58
  5. Step 5: Solve for x
    x = 89,604,185.58/10,158.39
  6. Step 6: Final answer
    x = 8,820.71

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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.