Home / 20,262.39-30,395.13-5,471.10

Finding the Fourth Proportional to 20,262.39, 30,395.13 and 5,471.10

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Solution

The fourth proportional to 20,262.39, 30,395.13 and 5,471.10 is: 8,207.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,262.39 : 30,395.13 = 5,471.10 : x
  2. Step 2: Convert to fraction form
    20,262.39/30,395.13 = 5,471.10/x
  3. Step 3: Cross multiply
    20,262.39x = 30,395.13 × 5,471.10
  4. Step 4: Simplify right side
    20,262.39x = 166,294,705.13
  5. Step 5: Solve for x
    x = 166,294,705.13/20,262.39
  6. Step 6: Final answer
    x = 8,207.06

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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.