Home / 20,132.04-30,190.50-6,981.24

Finding the Fourth Proportional to 20,132.04, 30,190.50 and 6,981.24

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Solution

The fourth proportional to 20,132.04, 30,190.50 and 6,981.24 is: 10,469.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,132.04 : 30,190.50 = 6,981.24 : x
  2. Step 2: Convert to fraction form
    20,132.04/30,190.50 = 6,981.24/x
  3. Step 3: Cross multiply
    20,132.04x = 30,190.50 × 6,981.24
  4. Step 4: Simplify right side
    20,132.04x = 210,767,126.22
  5. Step 5: Solve for x
    x = 210,767,126.22/20,132.04
  6. Step 6: Final answer
    x = 10,469.24

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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.