Home / 22,130.82-30,540.15-12,059.36

Finding the Fourth Proportional to 22,130.82, 30,540.15 and 12,059.36

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Solution

The fourth proportional to 22,130.82, 30,540.15 and 12,059.36 is: 16,641.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,130.82 : 30,540.15 = 12,059.36 : x
  2. Step 2: Convert to fraction form
    22,130.82/30,540.15 = 12,059.36/x
  3. Step 3: Cross multiply
    22,130.82x = 30,540.15 × 12,059.36
  4. Step 4: Simplify right side
    22,130.82x = 368,294,510.60
  5. Step 5: Solve for x
    x = 368,294,510.60/22,130.82
  6. Step 6: Final answer
    x = 16,641.70

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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.