Home / 10,882.73-14,920.35-10,685.90

Finding the Fourth Proportional to 10,882.73, 14,920.35 and 10,685.90

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Solution

The fourth proportional to 10,882.73, 14,920.35 and 10,685.90 is: 14,650.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,882.73 : 14,920.35 = 10,685.90 : x
  2. Step 2: Convert to fraction form
    10,882.73/14,920.35 = 10,685.90/x
  3. Step 3: Cross multiply
    10,882.73x = 14,920.35 × 10,685.90
  4. Step 4: Simplify right side
    10,882.73x = 159,437,383.44
  5. Step 5: Solve for x
    x = 159,437,383.44/10,882.73
  6. Step 6: Final answer
    x = 14,650.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.