Home / 11,109.48-16,659.36-5,267.76

Finding the Fourth Proportional to 11,109.48, 16,659.36 and 5,267.76

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Solution

The fourth proportional to 11,109.48, 16,659.36 and 5,267.76 is: 7,899.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,109.48 : 16,659.36 = 5,267.76 : x
  2. Step 2: Convert to fraction form
    11,109.48/16,659.36 = 5,267.76/x
  3. Step 3: Cross multiply
    11,109.48x = 16,659.36 × 5,267.76
  4. Step 4: Simplify right side
    11,109.48x = 87,757,510.23
  5. Step 5: Solve for x
    x = 87,757,510.23/11,109.48
  6. Step 6: Final answer
    x = 7,899.34

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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.