Home / 15,489.56-23,235.21-4,395.38

Finding the Fourth Proportional to 15,489.56, 23,235.21 and 4,395.38

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Solution

The fourth proportional to 15,489.56, 23,235.21 and 4,395.38 is: 6,593.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,489.56 : 23,235.21 = 4,395.38 : x
  2. Step 2: Convert to fraction form
    15,489.56/23,235.21 = 4,395.38/x
  3. Step 3: Cross multiply
    15,489.56x = 23,235.21 × 4,395.38
  4. Step 4: Simplify right side
    15,489.56x = 102,127,461.15
  5. Step 5: Solve for x
    x = 102,127,461.15/15,489.56
  6. Step 6: Final answer
    x = 6,593.31

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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.