Home / 10,522.26-15,778.50-6,140.94

Finding the Fourth Proportional to 10,522.26, 15,778.50 and 6,140.94

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Solution

The fourth proportional to 10,522.26, 15,778.50 and 6,140.94 is: 9,208.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,522.26 : 15,778.50 = 6,140.94 : x
  2. Step 2: Convert to fraction form
    10,522.26/15,778.50 = 6,140.94/x
  3. Step 3: Cross multiply
    10,522.26x = 15,778.50 × 6,140.94
  4. Step 4: Simplify right side
    10,522.26x = 96,894,821.79
  5. Step 5: Solve for x
    x = 96,894,821.79/10,522.26
  6. Step 6: Final answer
    x = 9,208.56

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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.