Home / 15,715.11-23,570.10-4,620.54

Finding the Fourth Proportional to 15,715.11, 23,570.10 and 4,620.54

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Solution

The fourth proportional to 15,715.11, 23,570.10 and 4,620.54 is: 6,930.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,715.11 : 23,570.10 = 4,620.54 : x
  2. Step 2: Convert to fraction form
    15,715.11/23,570.10 = 4,620.54/x
  3. Step 3: Cross multiply
    15,715.11x = 23,570.10 × 4,620.54
  4. Step 4: Simplify right side
    15,715.11x = 108,906,589.85
  5. Step 5: Solve for x
    x = 108,906,589.85/15,715.11
  6. Step 6: Final answer
    x = 6,930.06

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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.