Home / 13,694.29-20,537.33-7,116.89

Finding the Fourth Proportional to 13,694.29, 20,537.33 and 7,116.89

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Solution

The fourth proportional to 13,694.29, 20,537.33 and 7,116.89 is: 10,673.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,694.29 : 20,537.33 = 7,116.89 : x
  2. Step 2: Convert to fraction form
    13,694.29/20,537.33 = 7,116.89/x
  3. Step 3: Cross multiply
    13,694.29x = 20,537.33 × 7,116.89
  4. Step 4: Simplify right side
    13,694.29x = 146,161,780.23
  5. Step 5: Solve for x
    x = 146,161,780.23/13,694.29
  6. Step 6: Final answer
    x = 10,673.19

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1.5x scale

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.