Home / 13,092.66-18,067.79-7,124.35

Finding the Fourth Proportional to 13,092.66, 18,067.79 and 7,124.35

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Solution

The fourth proportional to 13,092.66, 18,067.79 and 7,124.35 is: 9,831.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,092.66 : 18,067.79 = 7,124.35 : x
  2. Step 2: Convert to fraction form
    13,092.66/18,067.79 = 7,124.35/x
  3. Step 3: Cross multiply
    13,092.66x = 18,067.79 × 7,124.35
  4. Step 4: Simplify right side
    13,092.66x = 128,721,259.69
  5. Step 5: Solve for x
    x = 128,721,259.69/13,092.66
  6. Step 6: Final answer
    x = 9,831.56

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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.