Home / 18,617.64-27,926.46-5,470.02

Finding the Fourth Proportional to 18,617.64, 27,926.46 and 5,470.02

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Solution

The fourth proportional to 18,617.64, 27,926.46 and 5,470.02 is: 8,205.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,617.64 : 27,926.46 = 5,470.02 : x
  2. Step 2: Convert to fraction form
    18,617.64/27,926.46 = 5,470.02/x
  3. Step 3: Cross multiply
    18,617.64x = 27,926.46 × 5,470.02
  4. Step 4: Simplify right side
    18,617.64x = 152,758,294.73
  5. Step 5: Solve for x
    x = 152,758,294.73/18,617.64
  6. Step 6: Final answer
    x = 8,205.03

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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.