Home / 10,278.24-15,403.92-4,126.56

Finding the Fourth Proportional to 10,278.24, 15,403.92 and 4,126.56

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Solution

The fourth proportional to 10,278.24, 15,403.92 and 4,126.56 is: 6,184.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,278.24 : 15,403.92 = 4,126.56 : x
  2. Step 2: Convert to fraction form
    10,278.24/15,403.92 = 4,126.56/x
  3. Step 3: Cross multiply
    10,278.24x = 15,403.92 × 4,126.56
  4. Step 4: Simplify right side
    10,278.24x = 63,565,200.12
  5. Step 5: Solve for x
    x = 63,565,200.12/10,278.24
  6. Step 6: Final answer
    x = 6,184.44

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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.