Home / 12,836.19-19,249.42-5,040.75

Finding the Fourth Proportional to 12,836.19, 19,249.42 and 5,040.75

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Solution

The fourth proportional to 12,836.19, 19,249.42 and 5,040.75 is: 7,559.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,836.19 : 19,249.42 = 5,040.75 : x
  2. Step 2: Convert to fraction form
    12,836.19/19,249.42 = 5,040.75/x
  3. Step 3: Cross multiply
    12,836.19x = 19,249.42 × 5,040.75
  4. Step 4: Simplify right side
    12,836.19x = 97,031,513.87
  5. Step 5: Solve for x
    x = 97,031,513.87/12,836.19
  6. Step 6: Final answer
    x = 7,559.21

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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.