Home / 12,314.70-18,475.41-3,995.10

Finding the Fourth Proportional to 12,314.70, 18,475.41 and 3,995.10

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Solution

The fourth proportional to 12,314.70, 18,475.41 and 3,995.10 is: 5,993.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,314.70 : 18,475.41 = 3,995.10 : x
  2. Step 2: Convert to fraction form
    12,314.70/18,475.41 = 3,995.10/x
  3. Step 3: Cross multiply
    12,314.70x = 18,475.41 × 3,995.10
  4. Step 4: Simplify right side
    12,314.70x = 73,811,110.49
  5. Step 5: Solve for x
    x = 73,811,110.49/12,314.70
  6. Step 6: Final answer
    x = 5,993.74

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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.