Home / 20,126.20-30,092.10-14,877.40

Finding the Fourth Proportional to 20,126.20, 30,092.10 and 14,877.40

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Solution

The fourth proportional to 20,126.20, 30,092.10 and 14,877.40 is: 22,244.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,126.20 : 30,092.10 = 14,877.40 : x
  2. Step 2: Convert to fraction form
    20,126.20/30,092.10 = 14,877.40/x
  3. Step 3: Cross multiply
    20,126.20x = 30,092.10 × 14,877.40
  4. Step 4: Simplify right side
    20,126.20x = 447,692,208.54
  5. Step 5: Solve for x
    x = 447,692,208.54/20,126.20
  6. Step 6: Final answer
    x = 22,244.25

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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.