Home / 11,833.84-17,749.68-10,905.76

Finding the Fourth Proportional to 11,833.84, 17,749.68 and 10,905.76

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Solution

The fourth proportional to 11,833.84, 17,749.68 and 10,905.76 is: 16,357.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,833.84 : 17,749.68 = 10,905.76 : x
  2. Step 2: Convert to fraction form
    11,833.84/17,749.68 = 10,905.76/x
  3. Step 3: Cross multiply
    11,833.84x = 17,749.68 × 10,905.76
  4. Step 4: Simplify right side
    11,833.84x = 193,573,750.16
  5. Step 5: Solve for x
    x = 193,573,750.16/11,833.84
  6. Step 6: Final answer
    x = 16,357.64

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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.