Home / 20,296.85-30,448.17-6,258.06

Finding the Fourth Proportional to 20,296.85, 30,448.17 and 6,258.06

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Solution

The fourth proportional to 20,296.85, 30,448.17 and 6,258.06 is: 9,387.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,296.85 : 30,448.17 = 6,258.06 : x
  2. Step 2: Convert to fraction form
    20,296.85/30,448.17 = 6,258.06/x
  3. Step 3: Cross multiply
    20,296.85x = 30,448.17 × 6,258.06
  4. Step 4: Simplify right side
    20,296.85x = 190,546,474.75
  5. Step 5: Solve for x
    x = 190,546,474.75/20,296.85
  6. Step 6: Final answer
    x = 9,387.98

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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.