Home / 10,634.72-14,675.48-5,918.90

Finding the Fourth Proportional to 10,634.72, 14,675.48 and 5,918.90

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Solution

The fourth proportional to 10,634.72, 14,675.48 and 5,918.90 is: 8,167.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,634.72 : 14,675.48 = 5,918.90 : x
  2. Step 2: Convert to fraction form
    10,634.72/14,675.48 = 5,918.90/x
  3. Step 3: Cross multiply
    10,634.72x = 14,675.48 × 5,918.90
  4. Step 4: Simplify right side
    10,634.72x = 86,862,698.57
  5. Step 5: Solve for x
    x = 86,862,698.57/10,634.72
  6. Step 6: Final answer
    x = 8,167.84

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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.