Home / 13,266.56-19,895.61-4,380.24

Finding the Fourth Proportional to 13,266.56, 19,895.61 and 4,380.24

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Solution

The fourth proportional to 13,266.56, 19,895.61 and 4,380.24 is: 6,568.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,266.56 : 19,895.61 = 4,380.24 : x
  2. Step 2: Convert to fraction form
    13,266.56/19,895.61 = 4,380.24/x
  3. Step 3: Cross multiply
    13,266.56x = 19,895.61 × 4,380.24
  4. Step 4: Simplify right side
    13,266.56x = 87,147,546.75
  5. Step 5: Solve for x
    x = 87,147,546.75/13,266.56
  6. Step 6: Final answer
    x = 6,568.96

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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.