Home / 18,278.02-27,418.11-5,797.81

Finding the Fourth Proportional to 18,278.02, 27,418.11 and 5,797.81

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Solution

The fourth proportional to 18,278.02, 27,418.11 and 5,797.81 is: 8,697.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,278.02 : 27,418.11 = 5,797.81 : x
  2. Step 2: Convert to fraction form
    18,278.02/27,418.11 = 5,797.81/x
  3. Step 3: Cross multiply
    18,278.02x = 27,418.11 × 5,797.81
  4. Step 4: Simplify right side
    18,278.02x = 158,964,992.34
  5. Step 5: Solve for x
    x = 158,964,992.34/18,278.02
  6. Step 6: Final answer
    x = 8,697.06

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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.