Home / 18,488.04-27,729.34-6,009.20

Finding the Fourth Proportional to 18,488.04, 27,729.34 and 6,009.20

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Solution

The fourth proportional to 18,488.04, 27,729.34 and 6,009.20 is: 9,012.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,488.04 : 27,729.34 = 6,009.20 : x
  2. Step 2: Convert to fraction form
    18,488.04/27,729.34 = 6,009.20/x
  3. Step 3: Cross multiply
    18,488.04x = 27,729.34 × 6,009.20
  4. Step 4: Simplify right side
    18,488.04x = 166,631,149.93
  5. Step 5: Solve for x
    x = 166,631,149.93/18,488.04
  6. Step 6: Final answer
    x = 9,012.92

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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.