Home / 19,132.20-28,690.20-5,981.04

Finding the Fourth Proportional to 19,132.20, 28,690.20 and 5,981.04

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Solution

The fourth proportional to 19,132.20, 28,690.20 and 5,981.04 is: 8,969.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,132.20 : 28,690.20 = 5,981.04 : x
  2. Step 2: Convert to fraction form
    19,132.20/28,690.20 = 5,981.04/x
  3. Step 3: Cross multiply
    19,132.20x = 28,690.20 × 5,981.04
  4. Step 4: Simplify right side
    19,132.20x = 171,597,233.81
  5. Step 5: Solve for x
    x = 171,597,233.81/19,132.20
  6. Step 6: Final answer
    x = 8,969.03

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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.