Home / 15,418-23,113.12-5,550.36

Finding the Fourth Proportional to 15,418, 23,113.12 and 5,550.36

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Solution

The fourth proportional to 15,418, 23,113.12 and 5,550.36 is: 8,320.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,418 : 23,113.12 = 5,550.36 : x
  2. Step 2: Convert to fraction form
    15,418/23,113.12 = 5,550.36/x
  3. Step 3: Cross multiply
    15,418x = 23,113.12 × 5,550.36
  4. Step 4: Simplify right side
    15,418x = 128,286,136.72
  5. Step 5: Solve for x
    x = 128,286,136.72/15,418
  6. Step 6: Final answer
    x = 8,320.54

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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.