Home / 22,185.60-30,614.82-12,754.20

Finding the Fourth Proportional to 22,185.60, 30,614.82 and 12,754.20

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Solution

The fourth proportional to 22,185.60, 30,614.82 and 12,754.20 is: 17,600.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,185.60 : 30,614.82 = 12,754.20 : x
  2. Step 2: Convert to fraction form
    22,185.60/30,614.82 = 12,754.20/x
  3. Step 3: Cross multiply
    22,185.60x = 30,614.82 × 12,754.20
  4. Step 4: Simplify right side
    22,185.60x = 390,467,537.24
  5. Step 5: Solve for x
    x = 390,467,537.24/22,185.60
  6. Step 6: Final answer
    x = 17,600.04

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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.