Home / 13,353.49-20,031.62-5,040.51

Finding the Fourth Proportional to 13,353.49, 20,031.62 and 5,040.51

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Solution

The fourth proportional to 13,353.49, 20,031.62 and 5,040.51 is: 7,561.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,353.49 : 20,031.62 = 5,040.51 : x
  2. Step 2: Convert to fraction form
    13,353.49/20,031.62 = 5,040.51/x
  3. Step 3: Cross multiply
    13,353.49x = 20,031.62 × 5,040.51
  4. Step 4: Simplify right side
    13,353.49x = 100,969,580.93
  5. Step 5: Solve for x
    x = 100,969,580.93/13,353.49
  6. Step 6: Final answer
    x = 7,561.29

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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.