Home / 20,174.47-30,261.85-7,026.80

Finding the Fourth Proportional to 20,174.47, 30,261.85 and 7,026.80

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Solution

The fourth proportional to 20,174.47, 30,261.85 and 7,026.80 is: 10,540.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,174.47 : 30,261.85 = 7,026.80 : x
  2. Step 2: Convert to fraction form
    20,174.47/30,261.85 = 7,026.80/x
  3. Step 3: Cross multiply
    20,174.47x = 30,261.85 × 7,026.80
  4. Step 4: Simplify right side
    20,174.47x = 212,644,008.45
  5. Step 5: Solve for x
    x = 212,644,008.45/20,174.47
  6. Step 6: Final answer
    x = 10,540.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.