Home / 15,440.61-23,158.76-4,910.61

Finding the Fourth Proportional to 15,440.61, 23,158.76 and 4,910.61

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Solution

The fourth proportional to 15,440.61, 23,158.76 and 4,910.61 is: 7,365.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,440.61 : 23,158.76 = 4,910.61 : x
  2. Step 2: Convert to fraction form
    15,440.61/23,158.76 = 4,910.61/x
  3. Step 3: Cross multiply
    15,440.61x = 23,158.76 × 4,910.61
  4. Step 4: Simplify right side
    15,440.61x = 113,723,613.89
  5. Step 5: Solve for x
    x = 113,723,613.89/15,440.61
  6. Step 6: Final answer
    x = 7,365.23

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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.