Home / 12,511.04-18,757.02-7,579.37

Finding the Fourth Proportional to 12,511.04, 18,757.02 and 7,579.37

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Solution

The fourth proportional to 12,511.04, 18,757.02 and 7,579.37 is: 11,363.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,511.04 : 18,757.02 = 7,579.37 : x
  2. Step 2: Convert to fraction form
    12,511.04/18,757.02 = 7,579.37/x
  3. Step 3: Cross multiply
    12,511.04x = 18,757.02 × 7,579.37
  4. Step 4: Simplify right side
    12,511.04x = 142,166,394.68
  5. Step 5: Solve for x
    x = 142,166,394.68/12,511.04
  6. Step 6: Final answer
    x = 11,363.28

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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.