Home / 12,540.18-18,805.77-5,875.54

Finding the Fourth Proportional to 12,540.18, 18,805.77 and 5,875.54

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Solution

The fourth proportional to 12,540.18, 18,805.77 and 5,875.54 is: 8,811.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,540.18 : 18,805.77 = 5,875.54 : x
  2. Step 2: Convert to fraction form
    12,540.18/18,805.77 = 5,875.54/x
  3. Step 3: Cross multiply
    12,540.18x = 18,805.77 × 5,875.54
  4. Step 4: Simplify right side
    12,540.18x = 110,494,006.85
  5. Step 5: Solve for x
    x = 110,494,006.85/12,540.18
  6. Step 6: Final answer
    x = 8,811.20

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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.