Home / 12,837.06-19,251.60-5,441.40

Finding the Fourth Proportional to 12,837.06, 19,251.60 and 5,441.40

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Solution

The fourth proportional to 12,837.06, 19,251.60 and 5,441.40 is: 8,160.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,837.06 : 19,251.60 = 5,441.40 : x
  2. Step 2: Convert to fraction form
    12,837.06/19,251.60 = 5,441.40/x
  3. Step 3: Cross multiply
    12,837.06x = 19,251.60 × 5,441.40
  4. Step 4: Simplify right side
    12,837.06x = 104,755,656.24
  5. Step 5: Solve for x
    x = 104,755,656.24/12,837.06
  6. Step 6: Final answer
    x = 8,160.41

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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.