Home / 11,493.60-17,240.40-3,703.20

Finding the Fourth Proportional to 11,493.60, 17,240.40 and 3,703.20

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Solution

The fourth proportional to 11,493.60, 17,240.40 and 3,703.20 is: 5,554.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,493.60 : 17,240.40 = 3,703.20 : x
  2. Step 2: Convert to fraction form
    11,493.60/17,240.40 = 3,703.20/x
  3. Step 3: Cross multiply
    11,493.60x = 17,240.40 × 3,703.20
  4. Step 4: Simplify right side
    11,493.60x = 63,844,649.28
  5. Step 5: Solve for x
    x = 63,844,649.28/11,493.60
  6. Step 6: Final answer
    x = 5,554.80

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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.