Home / 10,634.78-14,675.64-5,918.96

Finding the Fourth Proportional to 10,634.78, 14,675.64 and 5,918.96

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Solution

The fourth proportional to 10,634.78, 14,675.64 and 5,918.96 is: 8,167.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,634.78 : 14,675.64 = 5,918.96 : x
  2. Step 2: Convert to fraction form
    10,634.78/14,675.64 = 5,918.96/x
  3. Step 3: Cross multiply
    10,634.78x = 14,675.64 × 5,918.96
  4. Step 4: Simplify right side
    10,634.78x = 86,864,526.13
  5. Step 5: Solve for x
    x = 86,864,526.13/10,634.78
  6. Step 6: Final answer
    x = 8,167.97

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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.