Home / 11,521.29-17,282.16-4,947.53

Finding the Fourth Proportional to 11,521.29, 17,282.16 and 4,947.53

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Solution

The fourth proportional to 11,521.29, 17,282.16 and 4,947.53 is: 7,421.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,521.29 : 17,282.16 = 4,947.53 : x
  2. Step 2: Convert to fraction form
    11,521.29/17,282.16 = 4,947.53/x
  3. Step 3: Cross multiply
    11,521.29x = 17,282.16 × 4,947.53
  4. Step 4: Simplify right side
    11,521.29x = 85,504,015.87
  5. Step 5: Solve for x
    x = 85,504,015.87/11,521.29
  6. Step 6: Final answer
    x = 7,421.39

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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.