Home / 12,739.07-19,097.71-4,837.12

Finding the Fourth Proportional to 12,739.07, 19,097.71 and 4,837.12

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Solution

The fourth proportional to 12,739.07, 19,097.71 and 4,837.12 is: 7,251.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,739.07 : 19,097.71 = 4,837.12 : x
  2. Step 2: Convert to fraction form
    12,739.07/19,097.71 = 4,837.12/x
  3. Step 3: Cross multiply
    12,739.07x = 19,097.71 × 4,837.12
  4. Step 4: Simplify right side
    12,739.07x = 92,377,855.16
  5. Step 5: Solve for x
    x = 92,377,855.16/12,739.07
  6. Step 6: Final answer
    x = 7,251.54

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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.