Home / 20,294.25-28,005.51-11,341.54

Finding the Fourth Proportional to 20,294.25, 28,005.51 and 11,341.54

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Solution

The fourth proportional to 20,294.25, 28,005.51 and 11,341.54 is: 15,651.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,294.25 : 28,005.51 = 11,341.54 : x
  2. Step 2: Convert to fraction form
    20,294.25/28,005.51 = 11,341.54/x
  3. Step 3: Cross multiply
    20,294.25x = 28,005.51 × 11,341.54
  4. Step 4: Simplify right side
    20,294.25x = 317,625,611.89
  5. Step 5: Solve for x
    x = 317,625,611.89/20,294.25
  6. Step 6: Final answer
    x = 15,651.02

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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.