Home / 20,194.38-30,307.26-13,997.76

Finding the Fourth Proportional to 20,194.38, 30,307.26 and 13,997.76

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Solution

The fourth proportional to 20,194.38, 30,307.26 and 13,997.76 is: 21,007.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,194.38 : 30,307.26 = 13,997.76 : x
  2. Step 2: Convert to fraction form
    20,194.38/30,307.26 = 13,997.76/x
  3. Step 3: Cross multiply
    20,194.38x = 30,307.26 × 13,997.76
  4. Step 4: Simplify right side
    20,194.38x = 424,233,751.74
  5. Step 5: Solve for x
    x = 424,233,751.74/20,194.38
  6. Step 6: Final answer
    x = 21,007.52

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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.