Home / 11,108.63-16,663.55-3,318.05

Finding the Fourth Proportional to 11,108.63, 16,663.55 and 3,318.05

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Solution

The fourth proportional to 11,108.63, 16,663.55 and 3,318.05 is: 4,977.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,108.63 : 16,663.55 = 3,318.05 : x
  2. Step 2: Convert to fraction form
    11,108.63/16,663.55 = 3,318.05/x
  3. Step 3: Cross multiply
    11,108.63x = 16,663.55 × 3,318.05
  4. Step 4: Simplify right side
    11,108.63x = 55,290,392.17
  5. Step 5: Solve for x
    x = 55,290,392.17/11,108.63
  6. Step 6: Final answer
    x = 4,977.25

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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.