Home / 20,043.48-30,065.08-8,194.76

Finding the Fourth Proportional to 20,043.48, 30,065.08 and 8,194.76

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Solution

The fourth proportional to 20,043.48, 30,065.08 and 8,194.76 is: 12,292.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,043.48 : 30,065.08 = 8,194.76 : x
  2. Step 2: Convert to fraction form
    20,043.48/30,065.08 = 8,194.76/x
  3. Step 3: Cross multiply
    20,043.48x = 30,065.08 × 8,194.76
  4. Step 4: Simplify right side
    20,043.48x = 246,376,114.98
  5. Step 5: Solve for x
    x = 246,376,114.98/20,043.48
  6. Step 6: Final answer
    x = 12,292.08

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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.