Home / 18,153.19-27,229.92-5,006.31

Finding the Fourth Proportional to 18,153.19, 27,229.92 and 5,006.31

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Solution

The fourth proportional to 18,153.19, 27,229.92 and 5,006.31 is: 7,509.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,153.19 : 27,229.92 = 5,006.31 : x
  2. Step 2: Convert to fraction form
    18,153.19/27,229.92 = 5,006.31/x
  3. Step 3: Cross multiply
    18,153.19x = 27,229.92 × 5,006.31
  4. Step 4: Simplify right side
    18,153.19x = 136,321,420.80
  5. Step 5: Solve for x
    x = 136,321,420.80/18,153.19
  6. Step 6: Final answer
    x = 7,509.50

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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.