Home / 18,377.48-25,360.80-9,993.96

Finding the Fourth Proportional to 18,377.48, 25,360.80 and 9,993.96

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Solution

The fourth proportional to 18,377.48, 25,360.80 and 9,993.96 is: 13,791.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,377.48 : 25,360.80 = 9,993.96 : x
  2. Step 2: Convert to fraction form
    18,377.48/25,360.80 = 9,993.96/x
  3. Step 3: Cross multiply
    18,377.48x = 25,360.80 × 9,993.96
  4. Step 4: Simplify right side
    18,377.48x = 253,454,820.77
  5. Step 5: Solve for x
    x = 253,454,820.77/18,377.48
  6. Step 6: Final answer
    x = 13,791.60

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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.