Home / 11,040.32-16,571.36-8,110.40

Finding the Fourth Proportional to 11,040.32, 16,571.36 and 8,110.40

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Solution

The fourth proportional to 11,040.32, 16,571.36 and 8,110.40 is: 12,173.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,040.32 : 16,571.36 = 8,110.40 : x
  2. Step 2: Convert to fraction form
    11,040.32/16,571.36 = 8,110.40/x
  3. Step 3: Cross multiply
    11,040.32x = 16,571.36 × 8,110.40
  4. Step 4: Simplify right side
    11,040.32x = 134,400,358.14
  5. Step 5: Solve for x
    x = 134,400,358.14/11,040.32
  6. Step 6: Final answer
    x = 12,173.59

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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.