Home / 11,539.36-17,307.30-3,218.50

Finding the Fourth Proportional to 11,539.36, 17,307.30 and 3,218.50

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Solution

The fourth proportional to 11,539.36, 17,307.30 and 3,218.50 is: 4,827.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,539.36 : 17,307.30 = 3,218.50 : x
  2. Step 2: Convert to fraction form
    11,539.36/17,307.30 = 3,218.50/x
  3. Step 3: Cross multiply
    11,539.36x = 17,307.30 × 3,218.50
  4. Step 4: Simplify right side
    11,539.36x = 55,703,545.05
  5. Step 5: Solve for x
    x = 55,703,545.05/11,539.36
  6. Step 6: Final answer
    x = 4,827.26

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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.