Home / 11,749.49-17,620.14-4,727.69

Finding the Fourth Proportional to 11,749.49, 17,620.14 and 4,727.69

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Solution

The fourth proportional to 11,749.49, 17,620.14 and 4,727.69 is: 7,089.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,749.49 : 17,620.14 = 4,727.69 : x
  2. Step 2: Convert to fraction form
    11,749.49/17,620.14 = 4,727.69/x
  3. Step 3: Cross multiply
    11,749.49x = 17,620.14 × 4,727.69
  4. Step 4: Simplify right side
    11,749.49x = 83,302,479.23
  5. Step 5: Solve for x
    x = 83,302,479.23/11,749.49
  6. Step 6: Final answer
    x = 7,089.88

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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.