Home / 20,197.04-27,868.60-11,244.32

Finding the Fourth Proportional to 20,197.04, 27,868.60 and 11,244.32

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Solution

The fourth proportional to 20,197.04, 27,868.60 and 11,244.32 is: 15,515.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,197.04 : 27,868.60 = 11,244.32 : x
  2. Step 2: Convert to fraction form
    20,197.04/27,868.60 = 11,244.32/x
  3. Step 3: Cross multiply
    20,197.04x = 27,868.60 × 11,244.32
  4. Step 4: Simplify right side
    20,197.04x = 313,363,456.35
  5. Step 5: Solve for x
    x = 313,363,456.35/20,197.04
  6. Step 6: Final answer
    x = 15,515.32

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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.