Home / 9,747.84-13,453.12-6,762.88

Finding the Fourth Proportional to 9,747.84, 13,453.12 and 6,762.88

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Solution

The fourth proportional to 9,747.84, 13,453.12 and 6,762.88 is: 9,333.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,747.84 : 13,453.12 = 6,762.88 : x
  2. Step 2: Convert to fraction form
    9,747.84/13,453.12 = 6,762.88/x
  3. Step 3: Cross multiply
    9,747.84x = 13,453.12 × 6,762.88
  4. Step 4: Simplify right side
    9,747.84x = 90,981,836.19
  5. Step 5: Solve for x
    x = 90,981,836.19/9,747.84
  6. Step 6: Final answer
    x = 9,333.54

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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.