Home / 12,170.52-18,253.60-3,406.32

Finding the Fourth Proportional to 12,170.52, 18,253.60 and 3,406.32

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Solution

The fourth proportional to 12,170.52, 18,253.60 and 3,406.32 is: 5,108.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,170.52 : 18,253.60 = 3,406.32 : x
  2. Step 2: Convert to fraction form
    12,170.52/18,253.60 = 3,406.32/x
  3. Step 3: Cross multiply
    12,170.52x = 18,253.60 × 3,406.32
  4. Step 4: Simplify right side
    12,170.52x = 62,177,602.75
  5. Step 5: Solve for x
    x = 62,177,602.75/12,170.52
  6. Step 6: Final answer
    x = 5,108.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.