Home / 9,418.20-14,134.32-3,586.20

Finding the Fourth Proportional to 9,418.20, 14,134.32 and 3,586.20

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Solution

The fourth proportional to 9,418.20, 14,134.32 and 3,586.20 is: 5,381.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,418.20 : 14,134.32 = 3,586.20 : x
  2. Step 2: Convert to fraction form
    9,418.20/14,134.32 = 3,586.20/x
  3. Step 3: Cross multiply
    9,418.20x = 14,134.32 × 3,586.20
  4. Step 4: Simplify right side
    9,418.20x = 50,688,498.38
  5. Step 5: Solve for x
    x = 50,688,498.38/9,418.20
  6. Step 6: Final answer
    x = 5,381.97

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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.