Home / 36,138.83-54,188.80-11,168.15

Finding the Fourth Proportional to 36,138.83, 54,188.80 and 11,168.15

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Solution

The fourth proportional to 36,138.83, 54,188.80 and 11,168.15 is: 16,746.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,138.83 : 54,188.80 = 11,168.15 : x
  2. Step 2: Convert to fraction form
    36,138.83/54,188.80 = 11,168.15/x
  3. Step 3: Cross multiply
    36,138.83x = 54,188.80 × 11,168.15
  4. Step 4: Simplify right side
    36,138.83x = 605,188,347.86
  5. Step 5: Solve for x
    x = 605,188,347.86/36,138.83
  6. Step 6: Final answer
    x = 16,746.21

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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.