Home / 10,220.44-15,361.24-8,476.92

Finding the Fourth Proportional to 10,220.44, 15,361.24 and 8,476.92

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Solution

The fourth proportional to 10,220.44, 15,361.24 and 8,476.92 is: 12,740.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,220.44 : 15,361.24 = 8,476.92 : x
  2. Step 2: Convert to fraction form
    10,220.44/15,361.24 = 8,476.92/x
  3. Step 3: Cross multiply
    10,220.44x = 15,361.24 × 8,476.92
  4. Step 4: Simplify right side
    10,220.44x = 130,216,002.58
  5. Step 5: Solve for x
    x = 130,216,002.58/10,220.44
  6. Step 6: Final answer
    x = 12,740.74

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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.