Home / 10,217.75-14,091.13-6,628.97

Finding the Fourth Proportional to 10,217.75, 14,091.13 and 6,628.97

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Solution

The fourth proportional to 10,217.75, 14,091.13 and 6,628.97 is: 9,141.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,217.75 : 14,091.13 = 6,628.97 : x
  2. Step 2: Convert to fraction form
    10,217.75/14,091.13 = 6,628.97/x
  3. Step 3: Cross multiply
    10,217.75x = 14,091.13 × 6,628.97
  4. Step 4: Simplify right side
    10,217.75x = 93,409,678.04
  5. Step 5: Solve for x
    x = 93,409,678.04/10,217.75
  6. Step 6: Final answer
    x = 9,141.90

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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.