Home / 10,156.97-15,232.76-2,759.70

Finding the Fourth Proportional to 10,156.97, 15,232.76 and 2,759.70

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Solution

The fourth proportional to 10,156.97, 15,232.76 and 2,759.70 is: 4,138.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,156.97 : 15,232.76 = 2,759.70 : x
  2. Step 2: Convert to fraction form
    10,156.97/15,232.76 = 2,759.70/x
  3. Step 3: Cross multiply
    10,156.97x = 15,232.76 × 2,759.70
  4. Step 4: Simplify right side
    10,156.97x = 42,037,847.77
  5. Step 5: Solve for x
    x = 42,037,847.77/10,156.97
  6. Step 6: Final answer
    x = 4,138.82

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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.