Home / 11,238.81-16,839.61-10,079.84

Finding the Fourth Proportional to 11,238.81, 16,839.61 and 10,079.84

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Solution

The fourth proportional to 11,238.81, 16,839.61 and 10,079.84 is: 15,103.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,238.81 : 16,839.61 = 10,079.84 : x
  2. Step 2: Convert to fraction form
    11,238.81/16,839.61 = 10,079.84/x
  3. Step 3: Cross multiply
    11,238.81x = 16,839.61 × 10,079.84
  4. Step 4: Simplify right side
    11,238.81x = 169,740,574.46
  5. Step 5: Solve for x
    x = 169,740,574.46/11,238.81
  6. Step 6: Final answer
    x = 15,103.07

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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.