Home / 10,158.14-14,026.89-6,387.62

Finding the Fourth Proportional to 10,158.14, 14,026.89 and 6,387.62

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Solution

The fourth proportional to 10,158.14, 14,026.89 and 6,387.62 is: 8,820.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,158.14 : 14,026.89 = 6,387.62 : x
  2. Step 2: Convert to fraction form
    10,158.14/14,026.89 = 6,387.62/x
  3. Step 3: Cross multiply
    10,158.14x = 14,026.89 × 6,387.62
  4. Step 4: Simplify right side
    10,158.14x = 89,598,372.97
  5. Step 5: Solve for x
    x = 89,598,372.97/10,158.14
  6. Step 6: Final answer
    x = 8,820.36

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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.