Home / 18,394.29-27,591.57-5,246.78

Finding the Fourth Proportional to 18,394.29, 27,591.57 and 5,246.78

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Solution

The fourth proportional to 18,394.29, 27,591.57 and 5,246.78 is: 7,870.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,394.29 : 27,591.57 = 5,246.78 : x
  2. Step 2: Convert to fraction form
    18,394.29/27,591.57 = 5,246.78/x
  3. Step 3: Cross multiply
    18,394.29x = 27,591.57 × 5,246.78
  4. Step 4: Simplify right side
    18,394.29x = 144,766,759.69
  5. Step 5: Solve for x
    x = 144,766,759.69/18,394.29
  6. Step 6: Final answer
    x = 7,870.20

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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.