Home / 15,172.20-22,758.72-5,816.76

Finding the Fourth Proportional to 15,172.20, 22,758.72 and 5,816.76

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Solution

The fourth proportional to 15,172.20, 22,758.72 and 5,816.76 is: 8,725.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,172.20 : 22,758.72 = 5,816.76 : x
  2. Step 2: Convert to fraction form
    15,172.20/22,758.72 = 5,816.76/x
  3. Step 3: Cross multiply
    15,172.20x = 22,758.72 × 5,816.76
  4. Step 4: Simplify right side
    15,172.20x = 132,382,012.15
  5. Step 5: Solve for x
    x = 132,382,012.15/15,172.20
  6. Step 6: Final answer
    x = 8,725.30

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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.