Home / 11,221.22-16,810.29-6,275.88

Finding the Fourth Proportional to 11,221.22, 16,810.29 and 6,275.88

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Solution

The fourth proportional to 11,221.22, 16,810.29 and 6,275.88 is: 9,401.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,221.22 : 16,810.29 = 6,275.88 : x
  2. Step 2: Convert to fraction form
    11,221.22/16,810.29 = 6,275.88/x
  3. Step 3: Cross multiply
    11,221.22x = 16,810.29 × 6,275.88
  4. Step 4: Simplify right side
    11,221.22x = 105,499,362.81
  5. Step 5: Solve for x
    x = 105,499,362.81/11,221.22
  6. Step 6: Final answer
    x = 9,401.77

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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.