Home / 15,511.25-23,267.32-5,657.90

Finding the Fourth Proportional to 15,511.25, 23,267.32 and 5,657.90

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Solution

The fourth proportional to 15,511.25, 23,267.32 and 5,657.90 is: 8,487.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,511.25 : 23,267.32 = 5,657.90 : x
  2. Step 2: Convert to fraction form
    15,511.25/23,267.32 = 5,657.90/x
  3. Step 3: Cross multiply
    15,511.25x = 23,267.32 × 5,657.90
  4. Step 4: Simplify right side
    15,511.25x = 131,644,039.35
  5. Step 5: Solve for x
    x = 131,644,039.35/15,511.25
  6. Step 6: Final answer
    x = 8,487.00

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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.