Home / 18,148.80-27,210.33-7,046.13

Finding the Fourth Proportional to 18,148.80, 27,210.33 and 7,046.13

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Solution

The fourth proportional to 18,148.80, 27,210.33 and 7,046.13 is: 10,564.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,148.80 : 27,210.33 = 7,046.13 : x
  2. Step 2: Convert to fraction form
    18,148.80/27,210.33 = 7,046.13/x
  3. Step 3: Cross multiply
    18,148.80x = 27,210.33 × 7,046.13
  4. Step 4: Simplify right side
    18,148.80x = 191,727,522.52
  5. Step 5: Solve for x
    x = 191,727,522.52/18,148.80
  6. Step 6: Final answer
    x = 10,564.20

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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.