Home / 18,278.60-27,418.86-5,799.56

Finding the Fourth Proportional to 18,278.60, 27,418.86 and 5,799.56

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Solution

The fourth proportional to 18,278.60, 27,418.86 and 5,799.56 is: 8,699.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,278.60 : 27,418.86 = 5,799.56 : x
  2. Step 2: Convert to fraction form
    18,278.60/27,418.86 = 5,799.56/x
  3. Step 3: Cross multiply
    18,278.60x = 27,418.86 × 5,799.56
  4. Step 4: Simplify right side
    18,278.60x = 159,017,323.70
  5. Step 5: Solve for x
    x = 159,017,323.70/18,278.60
  6. Step 6: Final answer
    x = 8,699.64

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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.