Home / 9,681.09-14,521.68-2,661.21

Finding the Fourth Proportional to 9,681.09, 14,521.68 and 2,661.21

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Solution

The fourth proportional to 9,681.09, 14,521.68 and 2,661.21 is: 3,991.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,681.09 : 14,521.68 = 2,661.21 : x
  2. Step 2: Convert to fraction form
    9,681.09/14,521.68 = 2,661.21/x
  3. Step 3: Cross multiply
    9,681.09x = 14,521.68 × 2,661.21
  4. Step 4: Simplify right side
    9,681.09x = 38,645,240.03
  5. Step 5: Solve for x
    x = 38,645,240.03/9,681.09
  6. Step 6: Final answer
    x = 3,991.83

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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.