Home / 15,154.20-22,731.30-6,838.14

Finding the Fourth Proportional to 15,154.20, 22,731.30 and 6,838.14

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Solution

The fourth proportional to 15,154.20, 22,731.30 and 6,838.14 is: 10,257.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,154.20 : 22,731.30 = 6,838.14 : x
  2. Step 2: Convert to fraction form
    15,154.20/22,731.30 = 6,838.14/x
  3. Step 3: Cross multiply
    15,154.20x = 22,731.30 × 6,838.14
  4. Step 4: Simplify right side
    15,154.20x = 155,439,811.78
  5. Step 5: Solve for x
    x = 155,439,811.78/15,154.20
  6. Step 6: Final answer
    x = 10,257.21

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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.