Home / 13,362.51-20,044.41-3,501.80

Finding the Fourth Proportional to 13,362.51, 20,044.41 and 3,501.80

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Solution

The fourth proportional to 13,362.51, 20,044.41 and 3,501.80 is: 5,252.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,362.51 : 20,044.41 = 3,501.80 : x
  2. Step 2: Convert to fraction form
    13,362.51/20,044.41 = 3,501.80/x
  3. Step 3: Cross multiply
    13,362.51x = 20,044.41 × 3,501.80
  4. Step 4: Simplify right side
    13,362.51x = 70,191,496.45
  5. Step 5: Solve for x
    x = 70,191,496.45/13,362.51
  6. Step 6: Final answer
    x = 5,252.87

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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.