Home / 15,128.60-22,700.54-6,806.92

Finding the Fourth Proportional to 15,128.60, 22,700.54 and 6,806.92

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Solution

The fourth proportional to 15,128.60, 22,700.54 and 6,806.92 is: 10,213.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,128.60 : 22,700.54 = 6,806.92 : x
  2. Step 2: Convert to fraction form
    15,128.60/22,700.54 = 6,806.92/x
  3. Step 3: Cross multiply
    15,128.60x = 22,700.54 × 6,806.92
  4. Step 4: Simplify right side
    15,128.60x = 154,520,759.74
  5. Step 5: Solve for x
    x = 154,520,759.74/15,128.60
  6. Step 6: Final answer
    x = 10,213.82

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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.