Home / 11,668.68-17,471.70-7,277.40

Finding the Fourth Proportional to 11,668.68, 17,471.70 and 7,277.40

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Solution

The fourth proportional to 11,668.68, 17,471.70 and 7,277.40 is: 10,896.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,668.68 : 17,471.70 = 7,277.40 : x
  2. Step 2: Convert to fraction form
    11,668.68/17,471.70 = 7,277.40/x
  3. Step 3: Cross multiply
    11,668.68x = 17,471.70 × 7,277.40
  4. Step 4: Simplify right side
    11,668.68x = 127,148,549.58
  5. Step 5: Solve for x
    x = 127,148,549.58/11,668.68
  6. Step 6: Final answer
    x = 10,896.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.