Home / 13,177.76-19,766.66-3,317

Finding the Fourth Proportional to 13,177.76, 19,766.66 and 3,317

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Solution

The fourth proportional to 13,177.76, 19,766.66 and 3,317 is: 4,975.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,177.76 : 19,766.66 = 3,317 : x
  2. Step 2: Convert to fraction form
    13,177.76/19,766.66 = 3,317/x
  3. Step 3: Cross multiply
    13,177.76x = 19,766.66 × 3,317
  4. Step 4: Simplify right side
    13,177.76x = 65,566,011.22
  5. Step 5: Solve for x
    x = 65,566,011.22/13,177.76
  6. Step 6: Final answer
    x = 4,975.51

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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.