Home / 10,242.32-15,361.80-3,667.28

Finding the Fourth Proportional to 10,242.32, 15,361.80 and 3,667.28

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Solution

The fourth proportional to 10,242.32, 15,361.80 and 3,667.28 is: 5,500.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,242.32 : 15,361.80 = 3,667.28 : x
  2. Step 2: Convert to fraction form
    10,242.32/15,361.80 = 3,667.28/x
  3. Step 3: Cross multiply
    10,242.32x = 15,361.80 × 3,667.28
  4. Step 4: Simplify right side
    10,242.32x = 56,336,021.90
  5. Step 5: Solve for x
    x = 56,336,021.90/10,242.32
  6. Step 6: Final answer
    x = 5,500.32

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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.