Home / 11,291.52-16,947.79-5,749.01

Finding the Fourth Proportional to 11,291.52, 16,947.79 and 5,749.01

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Solution

The fourth proportional to 11,291.52, 16,947.79 and 5,749.01 is: 8,628.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,291.52 : 16,947.79 = 5,749.01 : x
  2. Step 2: Convert to fraction form
    11,291.52/16,947.79 = 5,749.01/x
  3. Step 3: Cross multiply
    11,291.52x = 16,947.79 × 5,749.01
  4. Step 4: Simplify right side
    11,291.52x = 97,432,985.44
  5. Step 5: Solve for x
    x = 97,432,985.44/11,291.52
  6. Step 6: Final answer
    x = 8,628.86

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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.