Home / 11,560.36-17,379.20-9,124.54

Finding the Fourth Proportional to 11,560.36, 17,379.20 and 9,124.54

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Solution

The fourth proportional to 11,560.36, 17,379.20 and 9,124.54 is: 13,717.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,560.36 : 17,379.20 = 9,124.54 : x
  2. Step 2: Convert to fraction form
    11,560.36/17,379.20 = 9,124.54/x
  3. Step 3: Cross multiply
    11,560.36x = 17,379.20 × 9,124.54
  4. Step 4: Simplify right side
    11,560.36x = 158,577,205.57
  5. Step 5: Solve for x
    x = 158,577,205.57/11,560.36
  6. Step 6: Final answer
    x = 13,717.32

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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.