Home / 11,101.24-16,659.96-8,187.40

Finding the Fourth Proportional to 11,101.24, 16,659.96 and 8,187.40

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Solution

The fourth proportional to 11,101.24, 16,659.96 and 8,187.40 is: 12,287.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,101.24 : 16,659.96 = 8,187.40 : x
  2. Step 2: Convert to fraction form
    11,101.24/16,659.96 = 8,187.40/x
  3. Step 3: Cross multiply
    11,101.24x = 16,659.96 × 8,187.40
  4. Step 4: Simplify right side
    11,101.24x = 136,401,756.50
  5. Step 5: Solve for x
    x = 136,401,756.50/11,101.24
  6. Step 6: Final answer
    x = 12,287.07

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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.