Home / 10,948.52-16,422.78-2,740.52

Finding the Fourth Proportional to 10,948.52, 16,422.78 and 2,740.52

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Solution

The fourth proportional to 10,948.52, 16,422.78 and 2,740.52 is: 4,110.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,948.52 : 16,422.78 = 2,740.52 : x
  2. Step 2: Convert to fraction form
    10,948.52/16,422.78 = 2,740.52/x
  3. Step 3: Cross multiply
    10,948.52x = 16,422.78 × 2,740.52
  4. Step 4: Simplify right side
    10,948.52x = 45,006,957.05
  5. Step 5: Solve for x
    x = 45,006,957.05/10,948.52
  6. Step 6: Final answer
    x = 4,110.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.