Home / 15,452.48-21,324.60-8,378.96

Finding the Fourth Proportional to 15,452.48, 21,324.60 and 8,378.96

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Solution

The fourth proportional to 15,452.48, 21,324.60 and 8,378.96 is: 11,563.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,452.48 : 21,324.60 = 8,378.96 : x
  2. Step 2: Convert to fraction form
    15,452.48/21,324.60 = 8,378.96/x
  3. Step 3: Cross multiply
    15,452.48x = 21,324.60 × 8,378.96
  4. Step 4: Simplify right side
    15,452.48x = 178,677,970.42
  5. Step 5: Solve for x
    x = 178,677,970.42/15,452.48
  6. Step 6: Final answer
    x = 11,563.06

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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.