Home / 15,886.80-23,830.20-4,040.55

Finding the Fourth Proportional to 15,886.80, 23,830.20 and 4,040.55

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Solution

The fourth proportional to 15,886.80, 23,830.20 and 4,040.55 is: 6,060.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,886.80 : 23,830.20 = 4,040.55 : x
  2. Step 2: Convert to fraction form
    15,886.80/23,830.20 = 4,040.55/x
  3. Step 3: Cross multiply
    15,886.80x = 23,830.20 × 4,040.55
  4. Step 4: Simplify right side
    15,886.80x = 96,287,114.61
  5. Step 5: Solve for x
    x = 96,287,114.61/15,886.80
  6. Step 6: Final answer
    x = 6,060.83

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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.