Home / 10,423.97-14,387.61-6,442.69

Finding the Fourth Proportional to 10,423.97, 14,387.61 and 6,442.69

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Solution

The fourth proportional to 10,423.97, 14,387.61 and 6,442.69 is: 8,892.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,423.97 : 14,387.61 = 6,442.69 : x
  2. Step 2: Convert to fraction form
    10,423.97/14,387.61 = 6,442.69/x
  3. Step 3: Cross multiply
    10,423.97x = 14,387.61 × 6,442.69
  4. Step 4: Simplify right side
    10,423.97x = 92,694,899.26
  5. Step 5: Solve for x
    x = 92,694,899.26/10,423.97
  6. Step 6: Final answer
    x = 8,892.47

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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.