Home / 9,469.88-13,068.52-5,221.11

Finding the Fourth Proportional to 9,469.88, 13,068.52 and 5,221.11

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Solution

The fourth proportional to 9,469.88, 13,068.52 and 5,221.11 is: 7,205.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,469.88 : 13,068.52 = 5,221.11 : x
  2. Step 2: Convert to fraction form
    9,469.88/13,068.52 = 5,221.11/x
  3. Step 3: Cross multiply
    9,469.88x = 13,068.52 × 5,221.11
  4. Step 4: Simplify right side
    9,469.88x = 68,232,160.84
  5. Step 5: Solve for x
    x = 68,232,160.84/9,469.88
  6. Step 6: Final answer
    x = 7,205.18

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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.