Home / 10,031.37-13,843.38-5,555.19

Finding the Fourth Proportional to 10,031.37, 13,843.38 and 5,555.19

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Solution

The fourth proportional to 10,031.37, 13,843.38 and 5,555.19 is: 7,666.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,031.37 : 13,843.38 = 5,555.19 : x
  2. Step 2: Convert to fraction form
    10,031.37/13,843.38 = 5,555.19/x
  3. Step 3: Cross multiply
    10,031.37x = 13,843.38 × 5,555.19
  4. Step 4: Simplify right side
    10,031.37x = 76,902,606.14
  5. Step 5: Solve for x
    x = 76,902,606.14/10,031.37
  6. Step 6: Final answer
    x = 7,666.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.