Home / 13,032.36-19,540.20-5,531.88

Finding the Fourth Proportional to 13,032.36, 19,540.20 and 5,531.88

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Solution

The fourth proportional to 13,032.36, 19,540.20 and 5,531.88 is: 8,294.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,032.36 : 19,540.20 = 5,531.88 : x
  2. Step 2: Convert to fraction form
    13,032.36/19,540.20 = 5,531.88/x
  3. Step 3: Cross multiply
    13,032.36x = 19,540.20 × 5,531.88
  4. Step 4: Simplify right side
    13,032.36x = 108,094,041.58
  5. Step 5: Solve for x
    x = 108,094,041.58/13,032.36
  6. Step 6: Final answer
    x = 8,294.28

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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.