Home / 45,184.28-67,777.10-11,907.71

Finding the Fourth Proportional to 45,184.28, 67,777.10 and 11,907.71

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Solution

The fourth proportional to 45,184.28, 67,777.10 and 11,907.71 is: 17,861.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,184.28 : 67,777.10 = 11,907.71 : x
  2. Step 2: Convert to fraction form
    45,184.28/67,777.10 = 11,907.71/x
  3. Step 3: Cross multiply
    45,184.28x = 67,777.10 × 11,907.71
  4. Step 4: Simplify right side
    45,184.28x = 807,069,653.02
  5. Step 5: Solve for x
    x = 807,069,653.02/45,184.28
  6. Step 6: Final answer
    x = 17,861.74

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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.