Home / 34,139.70-51,209.56-10,766.14

Finding the Fourth Proportional to 34,139.70, 51,209.56 and 10,766.14

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Solution

The fourth proportional to 34,139.70, 51,209.56 and 10,766.14 is: 16,149.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,139.70 : 51,209.56 = 10,766.14 : x
  2. Step 2: Convert to fraction form
    34,139.70/51,209.56 = 10,766.14/x
  3. Step 3: Cross multiply
    34,139.70x = 51,209.56 × 10,766.14
  4. Step 4: Simplify right side
    34,139.70x = 551,329,292.30
  5. Step 5: Solve for x
    x = 551,329,292.30/34,139.70
  6. Step 6: Final answer
    x = 16,149.21

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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.