Home / 45,186.33-67,773.69-11,908.95

Finding the Fourth Proportional to 45,186.33, 67,773.69 and 11,908.95

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Solution

The fourth proportional to 45,186.33, 67,773.69 and 11,908.95 is: 17,861.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,186.33 : 67,773.69 = 11,908.95 : x
  2. Step 2: Convert to fraction form
    45,186.33/67,773.69 = 11,908.95/x
  3. Step 3: Cross multiply
    45,186.33x = 67,773.69 × 11,908.95
  4. Step 4: Simplify right side
    45,186.33x = 807,113,485.53
  5. Step 5: Solve for x
    x = 807,113,485.53/45,186.33
  6. Step 6: Final answer
    x = 17,861.90

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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.