Home / 10,829.12-16,242.43-2,931.17

Finding the Fourth Proportional to 10,829.12, 16,242.43 and 2,931.17

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Solution

The fourth proportional to 10,829.12, 16,242.43 and 2,931.17 is: 4,396.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,829.12 : 16,242.43 = 2,931.17 : x
  2. Step 2: Convert to fraction form
    10,829.12/16,242.43 = 2,931.17/x
  3. Step 3: Cross multiply
    10,829.12x = 16,242.43 × 2,931.17
  4. Step 4: Simplify right side
    10,829.12x = 47,609,242.33
  5. Step 5: Solve for x
    x = 47,609,242.33/10,829.12
  6. Step 6: Final answer
    x = 4,396.41

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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.