Home / 18,278.87-27,419.29-5,799.84

Finding the Fourth Proportional to 18,278.87, 27,419.29 and 5,799.84

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Solution

The fourth proportional to 18,278.87, 27,419.29 and 5,799.84 is: 8,700.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,278.87 : 27,419.29 = 5,799.84 : x
  2. Step 2: Convert to fraction form
    18,278.87/27,419.29 = 5,799.84/x
  3. Step 3: Cross multiply
    18,278.87x = 27,419.29 × 5,799.84
  4. Step 4: Simplify right side
    18,278.87x = 159,027,465.91
  5. Step 5: Solve for x
    x = 159,027,465.91/18,278.87
  6. Step 6: Final answer
    x = 8,700.07

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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.