Home / 18,377.26-25,360.50-9,993.76

Finding the Fourth Proportional to 18,377.26, 25,360.50 and 9,993.76

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Solution

The fourth proportional to 18,377.26, 25,360.50 and 9,993.76 is: 13,791.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,377.26 : 25,360.50 = 9,993.76 : x
  2. Step 2: Convert to fraction form
    18,377.26/25,360.50 = 9,993.76/x
  3. Step 3: Cross multiply
    18,377.26x = 25,360.50 × 9,993.76
  4. Step 4: Simplify right side
    18,377.26x = 253,446,750.48
  5. Step 5: Solve for x
    x = 253,446,750.48/18,377.26
  6. Step 6: Final answer
    x = 13,791.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.