Home / 18,212.40-27,325.16-7,127.04

Finding the Fourth Proportional to 18,212.40, 27,325.16 and 7,127.04

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Solution

The fourth proportional to 18,212.40, 27,325.16 and 7,127.04 is: 10,693.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,212.40 : 27,325.16 = 7,127.04 : x
  2. Step 2: Convert to fraction form
    18,212.40/27,325.16 = 7,127.04/x
  3. Step 3: Cross multiply
    18,212.40x = 27,325.16 × 7,127.04
  4. Step 4: Simplify right side
    18,212.40x = 194,747,508.33
  5. Step 5: Solve for x
    x = 194,747,508.33/18,212.40
  6. Step 6: Final answer
    x = 10,693.13

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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.