Home / 20,445.49-30,661.76-6,591.25

Finding the Fourth Proportional to 20,445.49, 30,661.76 and 6,591.25

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Solution

The fourth proportional to 20,445.49, 30,661.76 and 6,591.25 is: 9,884.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,445.49 : 30,661.76 = 6,591.25 : x
  2. Step 2: Convert to fraction form
    20,445.49/30,661.76 = 6,591.25/x
  3. Step 3: Cross multiply
    20,445.49x = 30,661.76 × 6,591.25
  4. Step 4: Simplify right side
    20,445.49x = 202,099,292.64
  5. Step 5: Solve for x
    x = 202,099,292.64/20,445.49
  6. Step 6: Final answer
    x = 9,884.79

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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.