Home / 13,020.17-17,968.94-7,355.96

Finding the Fourth Proportional to 13,020.17, 17,968.94 and 7,355.96

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Solution

The fourth proportional to 13,020.17, 17,968.94 and 7,355.96 is: 10,151.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,020.17 : 17,968.94 = 7,355.96 : x
  2. Step 2: Convert to fraction form
    13,020.17/17,968.94 = 7,355.96/x
  3. Step 3: Cross multiply
    13,020.17x = 17,968.94 × 7,355.96
  4. Step 4: Simplify right side
    13,020.17x = 132,178,758.96
  5. Step 5: Solve for x
    x = 132,178,758.96/13,020.17
  6. Step 6: Final answer
    x = 10,151.85

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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.