Home / 17,945.14-24,764.22-9,989.20

Finding the Fourth Proportional to 17,945.14, 24,764.22 and 9,989.20

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Solution

The fourth proportional to 17,945.14, 24,764.22 and 9,989.20 is: 13,785.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,945.14 : 24,764.22 = 9,989.20 : x
  2. Step 2: Convert to fraction form
    17,945.14/24,764.22 = 9,989.20/x
  3. Step 3: Cross multiply
    17,945.14x = 24,764.22 × 9,989.20
  4. Step 4: Simplify right side
    17,945.14x = 247,374,746.42
  5. Step 5: Solve for x
    x = 247,374,746.42/17,945.14
  6. Step 6: Final answer
    x = 13,785.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.