Home / 18,100.64-27,147.68-6,254.40

Finding the Fourth Proportional to 18,100.64, 27,147.68 and 6,254.40

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Solution

The fourth proportional to 18,100.64, 27,147.68 and 6,254.40 is: 9,380.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,100.64 : 27,147.68 = 6,254.40 : x
  2. Step 2: Convert to fraction form
    18,100.64/27,147.68 = 6,254.40/x
  3. Step 3: Cross multiply
    18,100.64x = 27,147.68 × 6,254.40
  4. Step 4: Simplify right side
    18,100.64x = 169,792,449.79
  5. Step 5: Solve for x
    x = 169,792,449.79/18,100.64
  6. Step 6: Final answer
    x = 9,380.47

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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.