Home / 15,608.39-21,539.99-9,324.41

Finding the Fourth Proportional to 15,608.39, 21,539.99 and 9,324.41

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Solution

The fourth proportional to 15,608.39, 21,539.99 and 9,324.41 is: 12,867.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,608.39 : 21,539.99 = 9,324.41 : x
  2. Step 2: Convert to fraction form
    15,608.39/21,539.99 = 9,324.41/x
  3. Step 3: Cross multiply
    15,608.39x = 21,539.99 × 9,324.41
  4. Step 4: Simplify right side
    15,608.39x = 200,847,613.77
  5. Step 5: Solve for x
    x = 200,847,613.77/15,608.39
  6. Step 6: Final answer
    x = 12,867.93

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1.5x scale

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.