Home / 20,409.14-30,614.91-6,371.18

Finding the Fourth Proportional to 20,409.14, 30,614.91 and 6,371.18

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Solution

The fourth proportional to 20,409.14, 30,614.91 and 6,371.18 is: 9,557.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,409.14 : 30,614.91 = 6,371.18 : x
  2. Step 2: Convert to fraction form
    20,409.14/30,614.91 = 6,371.18/x
  3. Step 3: Cross multiply
    20,409.14x = 30,614.91 × 6,371.18
  4. Step 4: Simplify right side
    20,409.14x = 195,053,102.29
  5. Step 5: Solve for x
    x = 195,053,102.29/20,409.14
  6. Step 6: Final answer
    x = 9,557.14

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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.