Home / 13,020.92-17,968.84-7,052.60

Finding the Fourth Proportional to 13,020.92, 17,968.84 and 7,052.60

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Solution

The fourth proportional to 13,020.92, 17,968.84 and 7,052.60 is: 9,732.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,020.92 : 17,968.84 = 7,052.60 : x
  2. Step 2: Convert to fraction form
    13,020.92/17,968.84 = 7,052.60/x
  3. Step 3: Cross multiply
    13,020.92x = 17,968.84 × 7,052.60
  4. Step 4: Simplify right side
    13,020.92x = 126,727,068.27
  5. Step 5: Solve for x
    x = 126,727,068.27/13,020.92
  6. Step 6: Final answer
    x = 9,732.57

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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.