Home / 36,144.02-54,218.76-11,186.60

Finding the Fourth Proportional to 36,144.02, 54,218.76 and 11,186.60

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Solution

The fourth proportional to 36,144.02, 54,218.76 and 11,186.60 is: 16,780.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,144.02 : 54,218.76 = 11,186.60 : x
  2. Step 2: Convert to fraction form
    36,144.02/54,218.76 = 11,186.60/x
  3. Step 3: Cross multiply
    36,144.02x = 54,218.76 × 11,186.60
  4. Step 4: Simplify right side
    36,144.02x = 606,523,309.52
  5. Step 5: Solve for x
    x = 606,523,309.52/36,144.02
  6. Step 6: Final answer
    x = 16,780.74

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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.