Home / 13,266.42-19,895.41-4,380.10

Finding the Fourth Proportional to 13,266.42, 19,895.41 and 4,380.10

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Solution

The fourth proportional to 13,266.42, 19,895.41 and 4,380.10 is: 6,568.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,266.42 : 19,895.41 = 4,380.10 : x
  2. Step 2: Convert to fraction form
    13,266.42/19,895.41 = 4,380.10/x
  3. Step 3: Cross multiply
    13,266.42x = 19,895.41 × 4,380.10
  4. Step 4: Simplify right side
    13,266.42x = 87,143,841.08
  5. Step 5: Solve for x
    x = 87,143,841.08/13,266.42
  6. Step 6: Final answer
    x = 6,568.75

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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.