Home / 13,242.72-19,864.08-3,382.02

Finding the Fourth Proportional to 13,242.72, 19,864.08 and 3,382.02

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Solution

The fourth proportional to 13,242.72, 19,864.08 and 3,382.02 is: 5,073.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,242.72 : 19,864.08 = 3,382.02 : x
  2. Step 2: Convert to fraction form
    13,242.72/19,864.08 = 3,382.02/x
  3. Step 3: Cross multiply
    13,242.72x = 19,864.08 × 3,382.02
  4. Step 4: Simplify right side
    13,242.72x = 67,180,715.84
  5. Step 5: Solve for x
    x = 67,180,715.84/13,242.72
  6. Step 6: Final answer
    x = 5,073.03

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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.