Home / 15,918.34-23,877.50-4,231.56

Finding the Fourth Proportional to 15,918.34, 23,877.50 and 4,231.56

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Solution

The fourth proportional to 15,918.34, 23,877.50 and 4,231.56 is: 6,347.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,918.34 : 23,877.50 = 4,231.56 : x
  2. Step 2: Convert to fraction form
    15,918.34/23,877.50 = 4,231.56/x
  3. Step 3: Cross multiply
    15,918.34x = 23,877.50 × 4,231.56
  4. Step 4: Simplify right side
    15,918.34x = 101,039,073.90
  5. Step 5: Solve for x
    x = 101,039,073.90/15,918.34
  6. Step 6: Final answer
    x = 6,347.34

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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.