Home / 15,620.20-23,430.06-3,773.87

Finding the Fourth Proportional to 15,620.20, 23,430.06 and 3,773.87

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Solution

The fourth proportional to 15,620.20, 23,430.06 and 3,773.87 is: 5,660.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,620.20 : 23,430.06 = 3,773.87 : x
  2. Step 2: Convert to fraction form
    15,620.20/23,430.06 = 3,773.87/x
  3. Step 3: Cross multiply
    15,620.20x = 23,430.06 × 3,773.87
  4. Step 4: Simplify right side
    15,620.20x = 88,421,883.38
  5. Step 5: Solve for x
    x = 88,421,883.38/15,620.20
  6. Step 6: Final answer
    x = 5,660.74

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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.