Home / 11,717.14-16,176.34-7,749.76

Finding the Fourth Proportional to 11,717.14, 16,176.34 and 7,749.76

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Solution

The fourth proportional to 11,717.14, 16,176.34 and 7,749.76 is: 10,699.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,717.14 : 16,176.34 = 7,749.76 : x
  2. Step 2: Convert to fraction form
    11,717.14/16,176.34 = 7,749.76/x
  3. Step 3: Cross multiply
    11,717.14x = 16,176.34 × 7,749.76
  4. Step 4: Simplify right side
    11,717.14x = 125,362,752.68
  5. Step 5: Solve for x
    x = 125,362,752.68/11,717.14
  6. Step 6: Final answer
    x = 10,699.09

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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.