Home / 11,100.14-16,638.86-5,261.66

Finding the Fourth Proportional to 11,100.14, 16,638.86 and 5,261.66

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Solution

The fourth proportional to 11,100.14, 16,638.86 and 5,261.66 is: 7,887.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,100.14 : 16,638.86 = 5,261.66 : x
  2. Step 2: Convert to fraction form
    11,100.14/16,638.86 = 5,261.66/x
  3. Step 3: Cross multiply
    11,100.14x = 16,638.86 × 5,261.66
  4. Step 4: Simplify right side
    11,100.14x = 87,548,024.11
  5. Step 5: Solve for x
    x = 87,548,024.11/11,100.14
  6. Step 6: Final answer
    x = 7,887.11

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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.