Home / 9,681.38-14,523.42-3,109.58

Finding the Fourth Proportional to 9,681.38, 14,523.42 and 3,109.58

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Solution

The fourth proportional to 9,681.38, 14,523.42 and 3,109.58 is: 4,664.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,681.38 : 14,523.42 = 3,109.58 : x
  2. Step 2: Convert to fraction form
    9,681.38/14,523.42 = 3,109.58/x
  3. Step 3: Cross multiply
    9,681.38x = 14,523.42 × 3,109.58
  4. Step 4: Simplify right side
    9,681.38x = 45,161,736.36
  5. Step 5: Solve for x
    x = 45,161,736.36/9,681.38
  6. Step 6: Final answer
    x = 4,664.80

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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.