Home / 13,266.63-19,895.33-4,380.06

Finding the Fourth Proportional to 13,266.63, 19,895.33 and 4,380.06

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Solution

The fourth proportional to 13,266.63, 19,895.33 and 4,380.06 is: 6,568.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,266.63 : 19,895.33 = 4,380.06 : x
  2. Step 2: Convert to fraction form
    13,266.63/19,895.33 = 4,380.06/x
  3. Step 3: Cross multiply
    13,266.63x = 19,895.33 × 4,380.06
  4. Step 4: Simplify right side
    13,266.63x = 87,142,717.22
  5. Step 5: Solve for x
    x = 87,142,717.22/13,266.63
  6. Step 6: Final answer
    x = 6,568.56

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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.