Home / 11,086.90-16,624.80-3,688.76

Finding the Fourth Proportional to 11,086.90, 16,624.80 and 3,688.76

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Solution

The fourth proportional to 11,086.90, 16,624.80 and 3,688.76 is: 5,531.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,086.90 : 16,624.80 = 3,688.76 : x
  2. Step 2: Convert to fraction form
    11,086.90/16,624.80 = 3,688.76/x
  3. Step 3: Cross multiply
    11,086.90x = 16,624.80 × 3,688.76
  4. Step 4: Simplify right side
    11,086.90x = 61,324,897.25
  5. Step 5: Solve for x
    x = 61,324,897.25/11,086.90
  6. Step 6: Final answer
    x = 5,531.29

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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.