Home / 43,563.51-65,331-13,974.30

Finding the Fourth Proportional to 43,563.51, 65,331 and 13,974.30

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Solution

The fourth proportional to 43,563.51, 65,331 and 13,974.30 is: 20,956.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,563.51 : 65,331 = 13,974.30 : x
  2. Step 2: Convert to fraction form
    43,563.51/65,331 = 13,974.30/x
  3. Step 3: Cross multiply
    43,563.51x = 65,331 × 13,974.30
  4. Step 4: Simplify right side
    43,563.51x = 912,954,993.30
  5. Step 5: Solve for x
    x = 912,954,993.30/43,563.51
  6. Step 6: Final answer
    x = 20,956.87

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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.