Home / 10,242.85-15,351.82-5,551.74

Finding the Fourth Proportional to 10,242.85, 15,351.82 and 5,551.74

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Solution

The fourth proportional to 10,242.85, 15,351.82 and 5,551.74 is: 8,320.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,242.85 : 15,351.82 = 5,551.74 : x
  2. Step 2: Convert to fraction form
    10,242.85/15,351.82 = 5,551.74/x
  3. Step 3: Cross multiply
    10,242.85x = 15,351.82 × 5,551.74
  4. Step 4: Simplify right side
    10,242.85x = 85,229,313.17
  5. Step 5: Solve for x
    x = 85,229,313.17/10,242.85
  6. Step 6: Final answer
    x = 8,320.86

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1.5x scale

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.