Home / 12,677.93-19,019.61-3,793.95

Finding the Fourth Proportional to 12,677.93, 19,019.61 and 3,793.95

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Solution

The fourth proportional to 12,677.93, 19,019.61 and 3,793.95 is: 5,691.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,677.93 : 19,019.61 = 3,793.95 : x
  2. Step 2: Convert to fraction form
    12,677.93/19,019.61 = 3,793.95/x
  3. Step 3: Cross multiply
    12,677.93x = 19,019.61 × 3,793.95
  4. Step 4: Simplify right side
    12,677.93x = 72,159,449.36
  5. Step 5: Solve for x
    x = 72,159,449.36/12,677.93
  6. Step 6: Final answer
    x = 5,691.74

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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.