Home / 18,259.20-27,391.56-5,775.06

Finding the Fourth Proportional to 18,259.20, 27,391.56 and 5,775.06

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Solution

The fourth proportional to 18,259.20, 27,391.56 and 5,775.06 is: 8,663.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,259.20 : 27,391.56 = 5,775.06 : x
  2. Step 2: Convert to fraction form
    18,259.20/27,391.56 = 5,775.06/x
  3. Step 3: Cross multiply
    18,259.20x = 27,391.56 × 5,775.06
  4. Step 4: Simplify right side
    18,259.20x = 158,187,902.49
  5. Step 5: Solve for x
    x = 158,187,902.49/18,259.20
  6. Step 6: Final answer
    x = 8,663.46

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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.