Home / 15,471.39-23,219.37-5,613.48

Finding the Fourth Proportional to 15,471.39, 23,219.37 and 5,613.48

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Solution

The fourth proportional to 15,471.39, 23,219.37 and 5,613.48 is: 8,424.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,471.39 : 23,219.37 = 5,613.48 : x
  2. Step 2: Convert to fraction form
    15,471.39/23,219.37 = 5,613.48/x
  3. Step 3: Cross multiply
    15,471.39x = 23,219.37 × 5,613.48
  4. Step 4: Simplify right side
    15,471.39x = 130,341,469.11
  5. Step 5: Solve for x
    x = 130,341,469.11/15,471.39
  6. Step 6: Final answer
    x = 8,424.68

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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.