Home / 10,718.75-16,078.56-2,927.54

Finding the Fourth Proportional to 10,718.75, 16,078.56 and 2,927.54

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Solution

The fourth proportional to 10,718.75, 16,078.56 and 2,927.54 is: 4,391.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,718.75 : 16,078.56 = 2,927.54 : x
  2. Step 2: Convert to fraction form
    10,718.75/16,078.56 = 2,927.54/x
  3. Step 3: Cross multiply
    10,718.75x = 16,078.56 × 2,927.54
  4. Step 4: Simplify right side
    10,718.75x = 47,070,656.76
  5. Step 5: Solve for x
    x = 47,070,656.76/10,718.75
  6. Step 6: Final answer
    x = 4,391.43

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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.