Home / 13,353.36-20,020.32-11,040

Finding the Fourth Proportional to 13,353.36, 20,020.32 and 11,040

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Solution

The fourth proportional to 13,353.36, 20,020.32 and 11,040 is: 16,551.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,353.36 : 20,020.32 = 11,040 : x
  2. Step 2: Convert to fraction form
    13,353.36/20,020.32 = 11,040/x
  3. Step 3: Cross multiply
    13,353.36x = 20,020.32 × 11,040
  4. Step 4: Simplify right side
    13,353.36x = 221,024,332.80
  5. Step 5: Solve for x
    x = 221,024,332.80/13,353.36
  6. Step 6: Final answer
    x = 16,551.96

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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.