Home / 9,325.20-13,981.68-3,982.08

Finding the Fourth Proportional to 9,325.20, 13,981.68 and 3,982.08

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Solution

The fourth proportional to 9,325.20, 13,981.68 and 3,982.08 is: 5,970.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,325.20 : 13,981.68 = 3,982.08 : x
  2. Step 2: Convert to fraction form
    9,325.20/13,981.68 = 3,982.08/x
  3. Step 3: Cross multiply
    9,325.20x = 13,981.68 × 3,982.08
  4. Step 4: Simplify right side
    9,325.20x = 55,676,168.29
  5. Step 5: Solve for x
    x = 55,676,168.29/9,325.20
  6. Step 6: Final answer
    x = 5,970.51

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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.