Home / 12,731.95-19,097.88-3,966.87

Finding the Fourth Proportional to 12,731.95, 19,097.88 and 3,966.87

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Solution

The fourth proportional to 12,731.95, 19,097.88 and 3,966.87 is: 5,950.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,731.95 : 19,097.88 = 3,966.87 : x
  2. Step 2: Convert to fraction form
    12,731.95/19,097.88 = 3,966.87/x
  3. Step 3: Cross multiply
    12,731.95x = 19,097.88 × 3,966.87
  4. Step 4: Simplify right side
    12,731.95x = 75,758,863.98
  5. Step 5: Solve for x
    x = 75,758,863.98/12,731.95
  6. Step 6: Final answer
    x = 5,950.29

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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.