Home / 12,731.58-19,098.38-3,966.57

Finding the Fourth Proportional to 12,731.58, 19,098.38 and 3,966.57

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Solution

The fourth proportional to 12,731.58, 19,098.38 and 3,966.57 is: 5,950.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,731.58 : 19,098.38 = 3,966.57 : x
  2. Step 2: Convert to fraction form
    12,731.58/19,098.38 = 3,966.57/x
  3. Step 3: Cross multiply
    12,731.58x = 19,098.38 × 3,966.57
  4. Step 4: Simplify right side
    12,731.58x = 75,755,071.07
  5. Step 5: Solve for x
    x = 75,755,071.07/12,731.58
  6. Step 6: Final answer
    x = 5,950.17

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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.