Home / 8,921.54-13,377.25-6,113.53

Finding the Fourth Proportional to 8,921.54, 13,377.25 and 6,113.53

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Solution

The fourth proportional to 8,921.54, 13,377.25 and 6,113.53 is: 9,166.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,921.54 : 13,377.25 = 6,113.53 : x
  2. Step 2: Convert to fraction form
    8,921.54/13,377.25 = 6,113.53/x
  3. Step 3: Cross multiply
    8,921.54x = 13,377.25 × 6,113.53
  4. Step 4: Simplify right side
    8,921.54x = 81,782,168.31
  5. Step 5: Solve for x
    x = 81,782,168.31/8,921.54
  6. Step 6: Final answer
    x = 9,166.82

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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.