Home / 10,151.70-15,228.15-3,910.85

Finding the Fourth Proportional to 10,151.70, 15,228.15 and 3,910.85

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Solution

The fourth proportional to 10,151.70, 15,228.15 and 3,910.85 is: 5,866.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,151.70 : 15,228.15 = 3,910.85 : x
  2. Step 2: Convert to fraction form
    10,151.70/15,228.15 = 3,910.85/x
  3. Step 3: Cross multiply
    10,151.70x = 15,228.15 × 3,910.85
  4. Step 4: Simplify right side
    10,151.70x = 59,554,934.29
  5. Step 5: Solve for x
    x = 59,554,934.29/10,151.70
  6. Step 6: Final answer
    x = 5,866.50

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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.