Home / 15,490.42-23,222.56-6,718.73

Finding the Fourth Proportional to 15,490.42, 23,222.56 and 6,718.73

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Solution

The fourth proportional to 15,490.42, 23,222.56 and 6,718.73 is: 10,072.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,490.42 : 23,222.56 = 6,718.73 : x
  2. Step 2: Convert to fraction form
    15,490.42/23,222.56 = 6,718.73/x
  3. Step 3: Cross multiply
    15,490.42x = 23,222.56 × 6,718.73
  4. Step 4: Simplify right side
    15,490.42x = 156,025,994.44
  5. Step 5: Solve for x
    x = 156,025,994.44/15,490.42
  6. Step 6: Final answer
    x = 10,072.42

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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.