Home / 11,387.25-17,070.30-5,828.31

Finding the Fourth Proportional to 11,387.25, 17,070.30 and 5,828.31

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Solution

The fourth proportional to 11,387.25, 17,070.30 and 5,828.31 is: 8,737.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,387.25 : 17,070.30 = 5,828.31 : x
  2. Step 2: Convert to fraction form
    11,387.25/17,070.30 = 5,828.31/x
  3. Step 3: Cross multiply
    11,387.25x = 17,070.30 × 5,828.31
  4. Step 4: Simplify right side
    11,387.25x = 99,491,000.19
  5. Step 5: Solve for x
    x = 99,491,000.19/11,387.25
  6. Step 6: Final answer
    x = 8,737.05

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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.