Home / 15,316.10-22,974.15-5,455.70

Finding the Fourth Proportional to 15,316.10, 22,974.15 and 5,455.70

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Solution

The fourth proportional to 15,316.10, 22,974.15 and 5,455.70 is: 8,183.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,316.10 : 22,974.15 = 5,455.70 : x
  2. Step 2: Convert to fraction form
    15,316.10/22,974.15 = 5,455.70/x
  3. Step 3: Cross multiply
    15,316.10x = 22,974.15 × 5,455.70
  4. Step 4: Simplify right side
    15,316.10x = 125,340,070.16
  5. Step 5: Solve for x
    x = 125,340,070.16/15,316.10
  6. Step 6: Final answer
    x = 8,183.55

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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.