Home / 10,275.47-14,167.25-8,385.14

Finding the Fourth Proportional to 10,275.47, 14,167.25 and 8,385.14

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Solution

The fourth proportional to 10,275.47, 14,167.25 and 8,385.14 is: 11,560.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,275.47 : 14,167.25 = 8,385.14 : x
  2. Step 2: Convert to fraction form
    10,275.47/14,167.25 = 8,385.14/x
  3. Step 3: Cross multiply
    10,275.47x = 14,167.25 × 8,385.14
  4. Step 4: Simplify right side
    10,275.47x = 118,794,261.90
  5. Step 5: Solve for x
    x = 118,794,261.90/10,275.47
  6. Step 6: Final answer
    x = 11,560.95

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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.