Home / 15,418.10-23,121.66-5,554.73

Finding the Fourth Proportional to 15,418.10, 23,121.66 and 5,554.73

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Solution

The fourth proportional to 15,418.10, 23,121.66 and 5,554.73 is: 8,330.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,418.10 : 23,121.66 = 5,554.73 : x
  2. Step 2: Convert to fraction form
    15,418.10/23,121.66 = 5,554.73/x
  3. Step 3: Cross multiply
    15,418.10x = 23,121.66 × 5,554.73
  4. Step 4: Simplify right side
    15,418.10x = 128,434,578.45
  5. Step 5: Solve for x
    x = 128,434,578.45/15,418.10
  6. Step 6: Final answer
    x = 8,330.12

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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.