Home / 20,591.70-30,887.18-5,009.46

Finding the Fourth Proportional to 20,591.70, 30,887.18 and 5,009.46

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Solution

The fourth proportional to 20,591.70, 30,887.18 and 5,009.46 is: 7,514.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,591.70 : 30,887.18 = 5,009.46 : x
  2. Step 2: Convert to fraction form
    20,591.70/30,887.18 = 5,009.46/x
  3. Step 3: Cross multiply
    20,591.70x = 30,887.18 × 5,009.46
  4. Step 4: Simplify right side
    20,591.70x = 154,728,092.72
  5. Step 5: Solve for x
    x = 154,728,092.72/20,591.70
  6. Step 6: Final answer
    x = 7,514.10

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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.