Home / 18,589.60-27,877.74-6,740.38

Finding the Fourth Proportional to 18,589.60, 27,877.74 and 6,740.38

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Solution

The fourth proportional to 18,589.60, 27,877.74 and 6,740.38 is: 10,108.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,589.60 : 27,877.74 = 6,740.38 : x
  2. Step 2: Convert to fraction form
    18,589.60/27,877.74 = 6,740.38/x
  3. Step 3: Cross multiply
    18,589.60x = 27,877.74 × 6,740.38
  4. Step 4: Simplify right side
    18,589.60x = 187,906,561.14
  5. Step 5: Solve for x
    x = 187,906,561.14/18,589.60
  6. Step 6: Final answer
    x = 10,108.16

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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.