Home / 12,691.08-19,037.84-4,369.95

Finding the Fourth Proportional to 12,691.08, 19,037.84 and 4,369.95

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Solution

The fourth proportional to 12,691.08, 19,037.84 and 4,369.95 is: 6,555.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,691.08 : 19,037.84 = 4,369.95 : x
  2. Step 2: Convert to fraction form
    12,691.08/19,037.84 = 4,369.95/x
  3. Step 3: Cross multiply
    12,691.08x = 19,037.84 × 4,369.95
  4. Step 4: Simplify right side
    12,691.08x = 83,194,387.06
  5. Step 5: Solve for x
    x = 83,194,387.06/12,691.08
  6. Step 6: Final answer
    x = 6,555.34

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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.