Home / 9,681.19-14,521.79-2,755.69

Finding the Fourth Proportional to 9,681.19, 14,521.79 and 2,755.69

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Solution

The fourth proportional to 9,681.19, 14,521.79 and 2,755.69 is: 4,133.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,681.19 : 14,521.79 = 2,755.69 : x
  2. Step 2: Convert to fraction form
    9,681.19/14,521.79 = 2,755.69/x
  3. Step 3: Cross multiply
    9,681.19x = 14,521.79 × 2,755.69
  4. Step 4: Simplify right side
    9,681.19x = 40,017,522.07
  5. Step 5: Solve for x
    x = 40,017,522.07/9,681.19
  6. Step 6: Final answer
    x = 4,133.53

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Similar ratio
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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.