Home / 18,317.76-27,479.50-5,840.58

Finding the Fourth Proportional to 18,317.76, 27,479.50 and 5,840.58

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Solution

The fourth proportional to 18,317.76, 27,479.50 and 5,840.58 is: 8,761.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,317.76 : 27,479.50 = 5,840.58 : x
  2. Step 2: Convert to fraction form
    18,317.76/27,479.50 = 5,840.58/x
  3. Step 3: Cross multiply
    18,317.76x = 27,479.50 × 5,840.58
  4. Step 4: Simplify right side
    18,317.76x = 160,496,218.11
  5. Step 5: Solve for x
    x = 160,496,218.11/18,317.76
  6. Step 6: Final answer
    x = 8,761.78

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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.