Home / 22,781.40-34,174.96-8,928.60

Finding the Fourth Proportional to 22,781.40, 34,174.96 and 8,928.60

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Solution

The fourth proportional to 22,781.40, 34,174.96 and 8,928.60 is: 13,394.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,781.40 : 34,174.96 = 8,928.60 : x
  2. Step 2: Convert to fraction form
    22,781.40/34,174.96 = 8,928.60/x
  3. Step 3: Cross multiply
    22,781.40x = 34,174.96 × 8,928.60
  4. Step 4: Simplify right side
    22,781.40x = 305,134,547.86
  5. Step 5: Solve for x
    x = 305,134,547.86/22,781.40
  6. Step 6: Final answer
    x = 13,394.02

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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.