Home / 18,850.32-28,281.96-8,984.52

Finding the Fourth Proportional to 18,850.32, 28,281.96 and 8,984.52

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Solution

The fourth proportional to 18,850.32, 28,281.96 and 8,984.52 is: 13,479.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,850.32 : 28,281.96 = 8,984.52 : x
  2. Step 2: Convert to fraction form
    18,850.32/28,281.96 = 8,984.52/x
  3. Step 3: Cross multiply
    18,850.32x = 28,281.96 × 8,984.52
  4. Step 4: Simplify right side
    18,850.32x = 254,099,835.26
  5. Step 5: Solve for x
    x = 254,099,835.26/18,850.32
  6. Step 6: Final answer
    x = 13,479.87

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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.