Home / 10,159.11-15,238.26-3,918.06

Finding the Fourth Proportional to 10,159.11, 15,238.26 and 3,918.06

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Solution

The fourth proportional to 10,159.11, 15,238.26 and 3,918.06 is: 5,876.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,159.11 : 15,238.26 = 3,918.06 : x
  2. Step 2: Convert to fraction form
    10,159.11/15,238.26 = 3,918.06/x
  3. Step 3: Cross multiply
    10,159.11x = 15,238.26 × 3,918.06
  4. Step 4: Simplify right side
    10,159.11x = 59,704,416.98
  5. Step 5: Solve for x
    x = 59,704,416.98/10,159.11
  6. Step 6: Final answer
    x = 5,876.93

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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.