Home / 12,388.48-18,584.34-6,545.32

Finding the Fourth Proportional to 12,388.48, 18,584.34 and 6,545.32

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Solution

The fourth proportional to 12,388.48, 18,584.34 and 6,545.32 is: 9,818.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,388.48 : 18,584.34 = 6,545.32 : x
  2. Step 2: Convert to fraction form
    12,388.48/18,584.34 = 6,545.32/x
  3. Step 3: Cross multiply
    12,388.48x = 18,584.34 × 6,545.32
  4. Step 4: Simplify right side
    12,388.48x = 121,640,452.29
  5. Step 5: Solve for x
    x = 121,640,452.29/12,388.48
  6. Step 6: Final answer
    x = 9,818.84

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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.