Home / 12,691.05-19,024.97-4,893.99

Finding the Fourth Proportional to 12,691.05, 19,024.97 and 4,893.99

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Solution

The fourth proportional to 12,691.05, 19,024.97 and 4,893.99 is: 7,336.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,691.05 : 19,024.97 = 4,893.99 : x
  2. Step 2: Convert to fraction form
    12,691.05/19,024.97 = 4,893.99/x
  3. Step 3: Cross multiply
    12,691.05x = 19,024.97 × 4,893.99
  4. Step 4: Simplify right side
    12,691.05x = 93,107,988.46
  5. Step 5: Solve for x
    x = 93,107,988.46/12,691.05
  6. Step 6: Final answer
    x = 7,336.51

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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.