Home / 12,240.52-18,350.55-5,671.42

Finding the Fourth Proportional to 12,240.52, 18,350.55 and 5,671.42

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Solution

The fourth proportional to 12,240.52, 18,350.55 and 5,671.42 is: 8,502.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,240.52 : 18,350.55 = 5,671.42 : x
  2. Step 2: Convert to fraction form
    12,240.52/18,350.55 = 5,671.42/x
  3. Step 3: Cross multiply
    12,240.52x = 18,350.55 × 5,671.42
  4. Step 4: Simplify right side
    12,240.52x = 104,073,630.40
  5. Step 5: Solve for x
    x = 104,073,630.40/12,240.52
  6. Step 6: Final answer
    x = 8,502.39

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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.