Home / 11,368.10-17,057.31-5,124.74

Finding the Fourth Proportional to 11,368.10, 17,057.31 and 5,124.74

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Solution

The fourth proportional to 11,368.10, 17,057.31 and 5,124.74 is: 7,689.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,368.10 : 17,057.31 = 5,124.74 : x
  2. Step 2: Convert to fraction form
    11,368.10/17,057.31 = 5,124.74/x
  3. Step 3: Cross multiply
    11,368.10x = 17,057.31 × 5,124.74
  4. Step 4: Simplify right side
    11,368.10x = 87,414,278.85
  5. Step 5: Solve for x
    x = 87,414,278.85/11,368.10
  6. Step 6: Final answer
    x = 7,689.44

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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.