Home / 10,131.67-15,197.40-3,206.17

Finding the Fourth Proportional to 10,131.67, 15,197.40 and 3,206.17

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Solution

The fourth proportional to 10,131.67, 15,197.40 and 3,206.17 is: 4,809.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,131.67 : 15,197.40 = 3,206.17 : x
  2. Step 2: Convert to fraction form
    10,131.67/15,197.40 = 3,206.17/x
  3. Step 3: Cross multiply
    10,131.67x = 15,197.40 × 3,206.17
  4. Step 4: Simplify right side
    10,131.67x = 48,725,447.96
  5. Step 5: Solve for x
    x = 48,725,447.96/10,131.67
  6. Step 6: Final answer
    x = 4,809.22

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.