Home / 19,621.86-29,440.26-9,096.96

Finding the Fourth Proportional to 19,621.86, 29,440.26 and 9,096.96

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Solution

The fourth proportional to 19,621.86, 29,440.26 and 9,096.96 is: 13,648.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,621.86 : 29,440.26 = 9,096.96 : x
  2. Step 2: Convert to fraction form
    19,621.86/29,440.26 = 9,096.96/x
  3. Step 3: Cross multiply
    19,621.86x = 29,440.26 × 9,096.96
  4. Step 4: Simplify right side
    19,621.86x = 267,816,867.61
  5. Step 5: Solve for x
    x = 267,816,867.61/19,621.86
  6. Step 6: Final answer
    x = 13,648.90

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1.5x scale

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.