Home / 20,257.57-30,387.06-5,466.87

Finding the Fourth Proportional to 20,257.57, 30,387.06 and 5,466.87

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Solution

The fourth proportional to 20,257.57, 30,387.06 and 5,466.87 is: 8,200.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,257.57 : 30,387.06 = 5,466.87 : x
  2. Step 2: Convert to fraction form
    20,257.57/30,387.06 = 5,466.87/x
  3. Step 3: Cross multiply
    20,257.57x = 30,387.06 × 5,466.87
  4. Step 4: Simplify right side
    20,257.57x = 166,121,954.77
  5. Step 5: Solve for x
    x = 166,121,954.77/20,257.57
  6. Step 6: Final answer
    x = 8,200.49

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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.