Home / 18,287.16-27,430.75-4,436.16

Finding the Fourth Proportional to 18,287.16, 27,430.75 and 4,436.16

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Solution

The fourth proportional to 18,287.16, 27,430.75 and 4,436.16 is: 6,654.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,287.16 : 27,430.75 = 4,436.16 : x
  2. Step 2: Convert to fraction form
    18,287.16/27,430.75 = 4,436.16/x
  3. Step 3: Cross multiply
    18,287.16x = 27,430.75 × 4,436.16
  4. Step 4: Simplify right side
    18,287.16x = 121,687,073.65
  5. Step 5: Solve for x
    x = 121,687,073.65/18,287.16
  6. Step 6: Final answer
    x = 6,654.24

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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.