Home / 18,210.78-27,319.80-5,733.95

Finding the Fourth Proportional to 18,210.78, 27,319.80 and 5,733.95

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Solution

The fourth proportional to 18,210.78, 27,319.80 and 5,733.95 is: 8,602.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,210.78 : 27,319.80 = 5,733.95 : x
  2. Step 2: Convert to fraction form
    18,210.78/27,319.80 = 5,733.95/x
  3. Step 3: Cross multiply
    18,210.78x = 27,319.80 × 5,733.95
  4. Step 4: Simplify right side
    18,210.78x = 156,650,230.61
  5. Step 5: Solve for x
    x = 156,650,230.61/18,210.78
  6. Step 6: Final answer
    x = 8,602.06

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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.