Home / 12,542.72-18,793.55-8,838.48

Finding the Fourth Proportional to 12,542.72, 18,793.55 and 8,838.48

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Solution

The fourth proportional to 12,542.72, 18,793.55 and 8,838.48 is: 13,243.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,542.72 : 18,793.55 = 8,838.48 : x
  2. Step 2: Convert to fraction form
    12,542.72/18,793.55 = 8,838.48/x
  3. Step 3: Cross multiply
    12,542.72x = 18,793.55 × 8,838.48
  4. Step 4: Simplify right side
    12,542.72x = 166,106,437.90
  5. Step 5: Solve for x
    x = 166,106,437.90/12,542.72
  6. Step 6: Final answer
    x = 13,243.25

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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.