Home / 36,111.15-54,146.93-11,144.30

Finding the Fourth Proportional to 36,111.15, 54,146.93 and 11,144.30

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Solution

The fourth proportional to 36,111.15, 54,146.93 and 11,144.30 is: 16,710.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,111.15 : 54,146.93 = 11,144.30 : x
  2. Step 2: Convert to fraction form
    36,111.15/54,146.93 = 11,144.30/x
  3. Step 3: Cross multiply
    36,111.15x = 54,146.93 × 11,144.30
  4. Step 4: Simplify right side
    36,111.15x = 603,429,305.54
  5. Step 5: Solve for x
    x = 603,429,305.54/36,111.15
  6. Step 6: Final answer
    x = 16,710.33

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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.