Home / 22,150.40-30,567.36-12,079

Finding the Fourth Proportional to 22,150.40, 30,567.36 and 12,079

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Solution

The fourth proportional to 22,150.40, 30,567.36 and 12,079 is: 16,668.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,150.40 : 30,567.36 = 12,079 : x
  2. Step 2: Convert to fraction form
    22,150.40/30,567.36 = 12,079/x
  3. Step 3: Cross multiply
    22,150.40x = 30,567.36 × 12,079
  4. Step 4: Simplify right side
    22,150.40x = 369,223,141.44
  5. Step 5: Solve for x
    x = 369,223,141.44/22,150.40
  6. Step 6: Final answer
    x = 16,668.92

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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.