Home / 10,282.28-14,179.61-8,688.95

Finding the Fourth Proportional to 10,282.28, 14,179.61 and 8,688.95

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Solution

The fourth proportional to 10,282.28, 14,179.61 and 8,688.95 is: 11,982.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,282.28 : 14,179.61 = 8,688.95 : x
  2. Step 2: Convert to fraction form
    10,282.28/14,179.61 = 8,688.95/x
  3. Step 3: Cross multiply
    10,282.28x = 14,179.61 × 8,688.95
  4. Step 4: Simplify right side
    10,282.28x = 123,205,957.19
  5. Step 5: Solve for x
    x = 123,205,957.19/10,282.28
  6. Step 6: Final answer
    x = 11,982.36

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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.