Home / 19,327.46-28,990.80-6,179.82

Finding the Fourth Proportional to 19,327.46, 28,990.80 and 6,179.82

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Solution

The fourth proportional to 19,327.46, 28,990.80 and 6,179.82 is: 9,269.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,327.46 : 28,990.80 = 6,179.82 : x
  2. Step 2: Convert to fraction form
    19,327.46/28,990.80 = 6,179.82/x
  3. Step 3: Cross multiply
    19,327.46x = 28,990.80 × 6,179.82
  4. Step 4: Simplify right side
    19,327.46x = 179,157,925.66
  5. Step 5: Solve for x
    x = 179,157,925.66/19,327.46
  6. Step 6: Final answer
    x = 9,269.61

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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.