Home / 20,631.74-30,947.25-6,591.66

Finding the Fourth Proportional to 20,631.74, 30,947.25 and 6,591.66

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Solution

The fourth proportional to 20,631.74, 30,947.25 and 6,591.66 is: 9,887.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,631.74 : 30,947.25 = 6,591.66 : x
  2. Step 2: Convert to fraction form
    20,631.74/30,947.25 = 6,591.66/x
  3. Step 3: Cross multiply
    20,631.74x = 30,947.25 × 6,591.66
  4. Step 4: Simplify right side
    20,631.74x = 203,993,749.94
  5. Step 5: Solve for x
    x = 203,993,749.94/20,631.74
  6. Step 6: Final answer
    x = 9,887.38

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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.