Home / 9,717.84-13,409.28-5,469.12

Finding the Fourth Proportional to 9,717.84, 13,409.28 and 5,469.12

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Solution

The fourth proportional to 9,717.84, 13,409.28 and 5,469.12 is: 7,546.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,717.84 : 13,409.28 = 5,469.12 : x
  2. Step 2: Convert to fraction form
    9,717.84/13,409.28 = 5,469.12/x
  3. Step 3: Cross multiply
    9,717.84x = 13,409.28 × 5,469.12
  4. Step 4: Simplify right side
    9,717.84x = 73,336,961.43
  5. Step 5: Solve for x
    x = 73,336,961.43/9,717.84
  6. Step 6: Final answer
    x = 7,546.63

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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.