Home / 11,069.10-16,607.70-5,221.31

Finding the Fourth Proportional to 11,069.10, 16,607.70 and 5,221.31

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Solution

The fourth proportional to 11,069.10, 16,607.70 and 5,221.31 is: 7,833.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,069.10 : 16,607.70 = 5,221.31 : x
  2. Step 2: Convert to fraction form
    11,069.10/16,607.70 = 5,221.31/x
  3. Step 3: Cross multiply
    11,069.10x = 16,607.70 × 5,221.31
  4. Step 4: Simplify right side
    11,069.10x = 86,713,867.05
  5. Step 5: Solve for x
    x = 86,713,867.05/11,069.10
  6. Step 6: Final answer
    x = 7,833.87

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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.