Home / 11,823.36-17,689.92-7,126.08

Finding the Fourth Proportional to 11,823.36, 17,689.92 and 7,126.08

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Solution

The fourth proportional to 11,823.36, 17,689.92 and 7,126.08 is: 10,661.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,823.36 : 17,689.92 = 7,126.08 : x
  2. Step 2: Convert to fraction form
    11,823.36/17,689.92 = 7,126.08/x
  3. Step 3: Cross multiply
    11,823.36x = 17,689.92 × 7,126.08
  4. Step 4: Simplify right side
    11,823.36x = 126,059,785.11
  5. Step 5: Solve for x
    x = 126,059,785.11/11,823.36
  6. Step 6: Final answer
    x = 10,661.93

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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.