Home / 10,361.40-15,544.10-4,438.20

Finding the Fourth Proportional to 10,361.40, 15,544.10 and 4,438.20

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Solution

The fourth proportional to 10,361.40, 15,544.10 and 4,438.20 is: 6,658.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,361.40 : 15,544.10 = 4,438.20 : x
  2. Step 2: Convert to fraction form
    10,361.40/15,544.10 = 4,438.20/x
  3. Step 3: Cross multiply
    10,361.40x = 15,544.10 × 4,438.20
  4. Step 4: Simplify right side
    10,361.40x = 68,987,824.62
  5. Step 5: Solve for x
    x = 68,987,824.62/10,361.40
  6. Step 6: Final answer
    x = 6,658.16

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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.