Home / 21,868.38-32,802.30-6,286.14

Finding the Fourth Proportional to 21,868.38, 32,802.30 and 6,286.14

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Solution

The fourth proportional to 21,868.38, 32,802.30 and 6,286.14 is: 9,429.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,868.38 : 32,802.30 = 6,286.14 : x
  2. Step 2: Convert to fraction form
    21,868.38/32,802.30 = 6,286.14/x
  3. Step 3: Cross multiply
    21,868.38x = 32,802.30 × 6,286.14
  4. Step 4: Simplify right side
    21,868.38x = 206,199,850.12
  5. Step 5: Solve for x
    x = 206,199,850.12/21,868.38
  6. Step 6: Final answer
    x = 9,429.13

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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.