Home / 18,153.56-27,213.85-6,464.04

Finding the Fourth Proportional to 18,153.56, 27,213.85 and 6,464.04

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Solution

The fourth proportional to 18,153.56, 27,213.85 and 6,464.04 is: 9,690.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,153.56 : 27,213.85 = 6,464.04 : x
  2. Step 2: Convert to fraction form
    18,153.56/27,213.85 = 6,464.04/x
  3. Step 3: Cross multiply
    18,153.56x = 27,213.85 × 6,464.04
  4. Step 4: Simplify right side
    18,153.56x = 175,911,414.95
  5. Step 5: Solve for x
    x = 175,911,414.95/18,153.56
  6. Step 6: Final answer
    x = 9,690.19

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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.