Home / 10,241.20-15,347.37-8,151.91

Finding the Fourth Proportional to 10,241.20, 15,347.37 and 8,151.91

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Solution

The fourth proportional to 10,241.20, 15,347.37 and 8,151.91 is: 12,216.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,241.20 : 15,347.37 = 8,151.91 : x
  2. Step 2: Convert to fraction form
    10,241.20/15,347.37 = 8,151.91/x
  3. Step 3: Cross multiply
    10,241.20x = 15,347.37 × 8,151.91
  4. Step 4: Simplify right side
    10,241.20x = 125,110,378.98
  5. Step 5: Solve for x
    x = 125,110,378.98/10,241.20
  6. Step 6: Final answer
    x = 12,216.38

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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.