Home / 10,221.11-14,105.26-6,187.88

Finding the Fourth Proportional to 10,221.11, 14,105.26 and 6,187.88

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Solution

The fourth proportional to 10,221.11, 14,105.26 and 6,187.88 is: 8,539.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,221.11 : 14,105.26 = 6,187.88 : x
  2. Step 2: Convert to fraction form
    10,221.11/14,105.26 = 6,187.88/x
  3. Step 3: Cross multiply
    10,221.11x = 14,105.26 × 6,187.88
  4. Step 4: Simplify right side
    10,221.11x = 87,281,625.31
  5. Step 5: Solve for x
    x = 87,281,625.31/10,221.11
  6. Step 6: Final answer
    x = 8,539.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.