Home / 11,352.21-15,657.17-7,374.61

Finding the Fourth Proportional to 11,352.21, 15,657.17 and 7,374.61

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Solution

The fourth proportional to 11,352.21, 15,657.17 and 7,374.61 is: 10,171.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,352.21 : 15,657.17 = 7,374.61 : x
  2. Step 2: Convert to fraction form
    11,352.21/15,657.17 = 7,374.61/x
  3. Step 3: Cross multiply
    11,352.21x = 15,657.17 × 7,374.61
  4. Step 4: Simplify right side
    11,352.21x = 115,465,444.17
  5. Step 5: Solve for x
    x = 115,465,444.17/11,352.21
  6. Step 6: Final answer
    x = 10,171.19

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Why These Related Problems?

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