Home / 10,207.50-15,317.10-5,527.50

Finding the Fourth Proportional to 10,207.50, 15,317.10 and 5,527.50

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Solution

The fourth proportional to 10,207.50, 15,317.10 and 5,527.50 is: 8,294.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,207.50 : 15,317.10 = 5,527.50 : x
  2. Step 2: Convert to fraction form
    10,207.50/15,317.10 = 5,527.50/x
  3. Step 3: Cross multiply
    10,207.50x = 15,317.10 × 5,527.50
  4. Step 4: Simplify right side
    10,207.50x = 84,665,270.25
  5. Step 5: Solve for x
    x = 84,665,270.25/10,207.50
  6. Step 6: Final answer
    x = 8,294.42

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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.