Home / 13,216.84-18,239.40-7,552.36

Finding the Fourth Proportional to 13,216.84, 18,239.40 and 7,552.36

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Solution

The fourth proportional to 13,216.84, 18,239.40 and 7,552.36 is: 10,422.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,216.84 : 18,239.40 = 7,552.36 : x
  2. Step 2: Convert to fraction form
    13,216.84/18,239.40 = 7,552.36/x
  3. Step 3: Cross multiply
    13,216.84x = 18,239.40 × 7,552.36
  4. Step 4: Simplify right side
    13,216.84x = 137,750,514.98
  5. Step 5: Solve for x
    x = 137,750,514.98/13,216.84
  6. Step 6: Final answer
    x = 10,422.35

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.