Home / 13,243.16-19,864.80-3,382.44

Finding the Fourth Proportional to 13,243.16, 19,864.80 and 3,382.44

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Solution

The fourth proportional to 13,243.16, 19,864.80 and 3,382.44 is: 5,073.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,243.16 : 19,864.80 = 3,382.44 : x
  2. Step 2: Convert to fraction form
    13,243.16/19,864.80 = 3,382.44/x
  3. Step 3: Cross multiply
    13,243.16x = 19,864.80 × 3,382.44
  4. Step 4: Simplify right side
    13,243.16x = 67,191,494.11
  5. Step 5: Solve for x
    x = 67,191,494.11/13,243.16
  6. Step 6: Final answer
    x = 5,073.68

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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.