Home / 20,092.15-30,134.38-6,941.80

Finding the Fourth Proportional to 20,092.15, 30,134.38 and 6,941.80

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Solution

The fourth proportional to 20,092.15, 30,134.38 and 6,941.80 is: 10,411.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,092.15 : 30,134.38 = 6,941.80 : x
  2. Step 2: Convert to fraction form
    20,092.15/30,134.38 = 6,941.80/x
  3. Step 3: Cross multiply
    20,092.15x = 30,134.38 × 6,941.80
  4. Step 4: Simplify right side
    20,092.15x = 209,186,839.08
  5. Step 5: Solve for x
    x = 209,186,839.08/20,092.15
  6. Step 6: Final answer
    x = 10,411.37

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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.