Home / 20,232.92-30,363.04-7,085.40

Finding the Fourth Proportional to 20,232.92, 30,363.04 and 7,085.40

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Solution

The fourth proportional to 20,232.92, 30,363.04 and 7,085.40 is: 10,632.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,232.92 : 30,363.04 = 7,085.40 : x
  2. Step 2: Convert to fraction form
    20,232.92/30,363.04 = 7,085.40/x
  3. Step 3: Cross multiply
    20,232.92x = 30,363.04 × 7,085.40
  4. Step 4: Simplify right side
    20,232.92x = 215,134,283.62
  5. Step 5: Solve for x
    x = 215,134,283.62/20,232.92
  6. Step 6: Final answer
    x = 10,632.88

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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.