Home / 9,961.50-13,747.77-5,486.16

Finding the Fourth Proportional to 9,961.50, 13,747.77 and 5,486.16

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Solution

The fourth proportional to 9,961.50, 13,747.77 and 5,486.16 is: 7,571.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,961.50 : 13,747.77 = 5,486.16 : x
  2. Step 2: Convert to fraction form
    9,961.50/13,747.77 = 5,486.16/x
  3. Step 3: Cross multiply
    9,961.50x = 13,747.77 × 5,486.16
  4. Step 4: Simplify right side
    9,961.50x = 75,422,465.86
  5. Step 5: Solve for x
    x = 75,422,465.86/9,961.50
  6. Step 6: Final answer
    x = 7,571.40

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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.