Home / 20,248.44-27,960.02-12,707.34

Finding the Fourth Proportional to 20,248.44, 27,960.02 and 12,707.34

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Solution

The fourth proportional to 20,248.44, 27,960.02 and 12,707.34 is: 17,546.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,248.44 : 27,960.02 = 12,707.34 : x
  2. Step 2: Convert to fraction form
    20,248.44/27,960.02 = 12,707.34/x
  3. Step 3: Cross multiply
    20,248.44x = 27,960.02 × 12,707.34
  4. Step 4: Simplify right side
    20,248.44x = 355,297,480.55
  5. Step 5: Solve for x
    x = 355,297,480.55/20,248.44
  6. Step 6: Final answer
    x = 17,546.91

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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.