Home / 19,281.64-28,921.92-6,134.80

Finding the Fourth Proportional to 19,281.64, 28,921.92 and 6,134.80

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Solution

The fourth proportional to 19,281.64, 28,921.92 and 6,134.80 is: 9,202.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,281.64 : 28,921.92 = 6,134.80 : x
  2. Step 2: Convert to fraction form
    19,281.64/28,921.92 = 6,134.80/x
  3. Step 3: Cross multiply
    19,281.64x = 28,921.92 × 6,134.80
  4. Step 4: Simplify right side
    19,281.64x = 177,430,194.82
  5. Step 5: Solve for x
    x = 177,430,194.82/19,281.64
  6. Step 6: Final answer
    x = 9,202.03

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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.