Home / 12,525.78-18,788.85-4,092.24

Finding the Fourth Proportional to 12,525.78, 18,788.85 and 4,092.24

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Solution

The fourth proportional to 12,525.78, 18,788.85 and 4,092.24 is: 6,138.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,525.78 : 18,788.85 = 4,092.24 : x
  2. Step 2: Convert to fraction form
    12,525.78/18,788.85 = 4,092.24/x
  3. Step 3: Cross multiply
    12,525.78x = 18,788.85 × 4,092.24
  4. Step 4: Simplify right side
    12,525.78x = 76,888,483.52
  5. Step 5: Solve for x
    x = 76,888,483.52/12,525.78
  6. Step 6: Final answer
    x = 6,138.42

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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.