Home / 11,429.64-17,131.50-4,851.72

Finding the Fourth Proportional to 11,429.64, 17,131.50 and 4,851.72

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Solution

The fourth proportional to 11,429.64, 17,131.50 and 4,851.72 is: 7,272.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,429.64 : 17,131.50 = 4,851.72 : x
  2. Step 2: Convert to fraction form
    11,429.64/17,131.50 = 4,851.72/x
  3. Step 3: Cross multiply
    11,429.64x = 17,131.50 × 4,851.72
  4. Step 4: Simplify right side
    11,429.64x = 83,117,241.18
  5. Step 5: Solve for x
    x = 83,117,241.18/11,429.64
  6. Step 6: Final answer
    x = 7,272.08

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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.