Home / 15,155.28-22,722.45-7,754.72

Finding the Fourth Proportional to 15,155.28, 22,722.45 and 7,754.72

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Solution

The fourth proportional to 15,155.28, 22,722.45 and 7,754.72 is: 11,626.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,155.28 : 22,722.45 = 7,754.72 : x
  2. Step 2: Convert to fraction form
    15,155.28/22,722.45 = 7,754.72/x
  3. Step 3: Cross multiply
    15,155.28x = 22,722.45 × 7,754.72
  4. Step 4: Simplify right side
    15,155.28x = 176,206,123.85
  5. Step 5: Solve for x
    x = 176,206,123.85/15,155.28
  6. Step 6: Final answer
    x = 11,626.72

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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.