Home / 11,294.36-15,584.85-6,515.86

Finding the Fourth Proportional to 11,294.36, 15,584.85 and 6,515.86

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Solution

The fourth proportional to 11,294.36, 15,584.85 and 6,515.86 is: 8,991.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,294.36 : 15,584.85 = 6,515.86 : x
  2. Step 2: Convert to fraction form
    11,294.36/15,584.85 = 6,515.86/x
  3. Step 3: Cross multiply
    11,294.36x = 15,584.85 × 6,515.86
  4. Step 4: Simplify right side
    11,294.36x = 101,548,661.76
  5. Step 5: Solve for x
    x = 101,548,661.76/11,294.36
  6. Step 6: Final answer
    x = 8,991.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.