Home / 15,144.22-22,719.97-6,381.64

Finding the Fourth Proportional to 15,144.22, 22,719.97 and 6,381.64

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Solution

The fourth proportional to 15,144.22, 22,719.97 and 6,381.64 is: 9,573.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,144.22 : 22,719.97 = 6,381.64 : x
  2. Step 2: Convert to fraction form
    15,144.22/22,719.97 = 6,381.64/x
  3. Step 3: Cross multiply
    15,144.22x = 22,719.97 × 6,381.64
  4. Step 4: Simplify right side
    15,144.22x = 144,990,555.75
  5. Step 5: Solve for x
    x = 144,990,555.75/15,144.22
  6. Step 6: Final answer
    x = 9,573.99

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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.