Home / 18,260.29-27,393.57-5,780.12

Finding the Fourth Proportional to 18,260.29, 27,393.57 and 5,780.12

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Solution

The fourth proportional to 18,260.29, 27,393.57 and 5,780.12 is: 8,671.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,260.29 : 27,393.57 = 5,780.12 : x
  2. Step 2: Convert to fraction form
    18,260.29/27,393.57 = 5,780.12/x
  3. Step 3: Cross multiply
    18,260.29x = 27,393.57 × 5,780.12
  4. Step 4: Simplify right side
    18,260.29x = 158,338,121.83
  5. Step 5: Solve for x
    x = 158,338,121.83/18,260.29
  6. Step 6: Final answer
    x = 8,671.17

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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.