Home / 10,418.28-14,377.20-6,226.56

Finding the Fourth Proportional to 10,418.28, 14,377.20 and 6,226.56

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Solution

The fourth proportional to 10,418.28, 14,377.20 and 6,226.56 is: 8,592.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,418.28 : 14,377.20 = 6,226.56 : x
  2. Step 2: Convert to fraction form
    10,418.28/14,377.20 = 6,226.56/x
  3. Step 3: Cross multiply
    10,418.28x = 14,377.20 × 6,226.56
  4. Step 4: Simplify right side
    10,418.28x = 89,520,498.43
  5. Step 5: Solve for x
    x = 89,520,498.43/10,418.28
  6. Step 6: Final answer
    x = 8,592.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.