Home / 18,520.85-27,781.56-6,040.82

Finding the Fourth Proportional to 18,520.85, 27,781.56 and 6,040.82

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Solution

The fourth proportional to 18,520.85, 27,781.56 and 6,040.82 is: 9,061.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,520.85 : 27,781.56 = 6,040.82 : x
  2. Step 2: Convert to fraction form
    18,520.85/27,781.56 = 6,040.82/x
  3. Step 3: Cross multiply
    18,520.85x = 27,781.56 × 6,040.82
  4. Step 4: Simplify right side
    18,520.85x = 167,823,264.37
  5. Step 5: Solve for x
    x = 167,823,264.37/18,520.85
  6. Step 6: Final answer
    x = 9,061.32

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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.