Home / 20,191.92-30,283.17-7,707.36

Finding the Fourth Proportional to 20,191.92, 30,283.17 and 7,707.36

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Solution

The fourth proportional to 20,191.92, 30,283.17 and 7,707.36 is: 11,559.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,191.92 : 30,283.17 = 7,707.36 : x
  2. Step 2: Convert to fraction form
    20,191.92/30,283.17 = 7,707.36/x
  3. Step 3: Cross multiply
    20,191.92x = 30,283.17 × 7,707.36
  4. Step 4: Simplify right side
    20,191.92x = 233,403,293.13
  5. Step 5: Solve for x
    x = 233,403,293.13/20,191.92
  6. Step 6: Final answer
    x = 11,559.24

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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.