Home / 11,243.09-16,839.58-7,946.19

Finding the Fourth Proportional to 11,243.09, 16,839.58 and 7,946.19

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Solution

The fourth proportional to 11,243.09, 16,839.58 and 7,946.19 is: 11,901.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,243.09 : 16,839.58 = 7,946.19 : x
  2. Step 2: Convert to fraction form
    11,243.09/16,839.58 = 7,946.19/x
  3. Step 3: Cross multiply
    11,243.09x = 16,839.58 × 7,946.19
  4. Step 4: Simplify right side
    11,243.09x = 133,810,502.20
  5. Step 5: Solve for x
    x = 133,810,502.20/11,243.09
  6. Step 6: Final answer
    x = 11,901.58

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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.