Home / 12,731.86-19,097.79-4,834.38

Finding the Fourth Proportional to 12,731.86, 19,097.79 and 4,834.38

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Solution

The fourth proportional to 12,731.86, 19,097.79 and 4,834.38 is: 7,251.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,731.86 : 19,097.79 = 4,834.38 : x
  2. Step 2: Convert to fraction form
    12,731.86/19,097.79 = 4,834.38/x
  3. Step 3: Cross multiply
    12,731.86x = 19,097.79 × 4,834.38
  4. Step 4: Simplify right side
    12,731.86x = 92,325,988.22
  5. Step 5: Solve for x
    x = 92,325,988.22/12,731.86
  6. Step 6: Final answer
    x = 7,251.57

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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.