Home / 12,837.38-19,259.30-3,603.38

Finding the Fourth Proportional to 12,837.38, 19,259.30 and 3,603.38

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Solution

The fourth proportional to 12,837.38, 19,259.30 and 3,603.38 is: 5,405.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,837.38 : 19,259.30 = 3,603.38 : x
  2. Step 2: Convert to fraction form
    12,837.38/19,259.30 = 3,603.38/x
  3. Step 3: Cross multiply
    12,837.38x = 19,259.30 × 3,603.38
  4. Step 4: Simplify right side
    12,837.38x = 69,398,489.15
  5. Step 5: Solve for x
    x = 69,398,489.15/12,837.38
  6. Step 6: Final answer
    x = 5,405.97

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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.