Home / 13,092.21-18,067.33-7,123.92

Finding the Fourth Proportional to 13,092.21, 18,067.33 and 7,123.92

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Solution

The fourth proportional to 13,092.21, 18,067.33 and 7,123.92 is: 9,831.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,092.21 : 18,067.33 = 7,123.92 : x
  2. Step 2: Convert to fraction form
    13,092.21/18,067.33 = 7,123.92/x
  3. Step 3: Cross multiply
    13,092.21x = 18,067.33 × 7,123.92
  4. Step 4: Simplify right side
    13,092.21x = 128,710,213.53
  5. Step 5: Solve for x
    x = 128,710,213.53/13,092.21
  6. Step 6: Final answer
    x = 9,831.05

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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.