Home / 12,722.08-19,084.86-4,399.86

Finding the Fourth Proportional to 12,722.08, 19,084.86 and 4,399.86

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Solution

The fourth proportional to 12,722.08, 19,084.86 and 4,399.86 is: 6,600.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,722.08 : 19,084.86 = 4,399.86 : x
  2. Step 2: Convert to fraction form
    12,722.08/19,084.86 = 4,399.86/x
  3. Step 3: Cross multiply
    12,722.08x = 19,084.86 × 4,399.86
  4. Step 4: Simplify right side
    12,722.08x = 83,970,712.12
  5. Step 5: Solve for x
    x = 83,970,712.12/12,722.08
  6. Step 6: Final answer
    x = 6,600.39

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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.