Home / 20,446.39-30,673.14-7,973.20

Finding the Fourth Proportional to 20,446.39, 30,673.14 and 7,973.20

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Solution

The fourth proportional to 20,446.39, 30,673.14 and 7,973.20 is: 11,961.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,446.39 : 30,673.14 = 7,973.20 : x
  2. Step 2: Convert to fraction form
    20,446.39/30,673.14 = 7,973.20/x
  3. Step 3: Cross multiply
    20,446.39x = 30,673.14 × 7,973.20
  4. Step 4: Simplify right side
    20,446.39x = 244,563,079.85
  5. Step 5: Solve for x
    x = 244,563,079.85/20,446.39
  6. Step 6: Final answer
    x = 11,961.19

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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.