Home / 20,494.66-28,282.34-11,543.04

Finding the Fourth Proportional to 20,494.66, 28,282.34 and 11,543.04

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Solution

The fourth proportional to 20,494.66, 28,282.34 and 11,543.04 is: 15,929.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,494.66 : 28,282.34 = 11,543.04 : x
  2. Step 2: Convert to fraction form
    20,494.66/28,282.34 = 11,543.04/x
  3. Step 3: Cross multiply
    20,494.66x = 28,282.34 × 11,543.04
  4. Step 4: Simplify right side
    20,494.66x = 326,464,181.91
  5. Step 5: Solve for x
    x = 326,464,181.91/20,494.66
  6. Step 6: Final answer
    x = 15,929.23

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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.