Home / 13,092.15-18,067.20-7,123.86

Finding the Fourth Proportional to 13,092.15, 18,067.20 and 7,123.86

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Solution

The fourth proportional to 13,092.15, 18,067.20 and 7,123.86 is: 9,830.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,092.15 : 18,067.20 = 7,123.86 : x
  2. Step 2: Convert to fraction form
    13,092.15/18,067.20 = 7,123.86/x
  3. Step 3: Cross multiply
    13,092.15x = 18,067.20 × 7,123.86
  4. Step 4: Simplify right side
    13,092.15x = 128,708,203.39
  5. Step 5: Solve for x
    x = 128,708,203.39/13,092.15
  6. Step 6: Final answer
    x = 9,830.94

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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.