Home / 14,706.07-20,294.31-7,991.57

Finding the Fourth Proportional to 14,706.07, 20,294.31 and 7,991.57

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Solution

The fourth proportional to 14,706.07, 20,294.31 and 7,991.57 is: 11,028.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,706.07 : 20,294.31 = 7,991.57 : x
  2. Step 2: Convert to fraction form
    14,706.07/20,294.31 = 7,991.57/x
  3. Step 3: Cross multiply
    14,706.07x = 20,294.31 × 7,991.57
  4. Step 4: Simplify right side
    14,706.07x = 162,183,398.97
  5. Step 5: Solve for x
    x = 162,183,398.97/14,706.07
  6. Step 6: Final answer
    x = 11,028.33

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1.5x scale

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.