Home / 11,562.36-17,382.22-9,126.54

Finding the Fourth Proportional to 11,562.36, 17,382.22 and 9,126.54

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Solution

The fourth proportional to 11,562.36, 17,382.22 and 9,126.54 is: 13,720.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,562.36 : 17,382.22 = 9,126.54 : x
  2. Step 2: Convert to fraction form
    11,562.36/17,382.22 = 9,126.54/x
  3. Step 3: Cross multiply
    11,562.36x = 17,382.22 × 9,126.54
  4. Step 4: Simplify right side
    11,562.36x = 158,639,526.12
  5. Step 5: Solve for x
    x = 158,639,526.12/11,562.36
  6. Step 6: Final answer
    x = 13,720.34

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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.