Home / 20,250.42-30,377.79-8,564.82

Finding the Fourth Proportional to 20,250.42, 30,377.79 and 8,564.82

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Solution

The fourth proportional to 20,250.42, 30,377.79 and 8,564.82 is: 12,848.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,250.42 : 30,377.79 = 8,564.82 : x
  2. Step 2: Convert to fraction form
    20,250.42/30,377.79 = 8,564.82/x
  3. Step 3: Cross multiply
    20,250.42x = 30,377.79 × 8,564.82
  4. Step 4: Simplify right side
    20,250.42x = 260,180,303.35
  5. Step 5: Solve for x
    x = 260,180,303.35/20,250.42
  6. Step 6: Final answer
    x = 12,848.14

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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.