Home / 10,140.96-15,216.30-4,944

Finding the Fourth Proportional to 10,140.96, 15,216.30 and 4,944

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Solution

The fourth proportional to 10,140.96, 15,216.30 and 4,944 is: 7,418.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,140.96 : 15,216.30 = 4,944 : x
  2. Step 2: Convert to fraction form
    10,140.96/15,216.30 = 4,944/x
  3. Step 3: Cross multiply
    10,140.96x = 15,216.30 × 4,944
  4. Step 4: Simplify right side
    10,140.96x = 75,229,387.20
  5. Step 5: Solve for x
    x = 75,229,387.20/10,140.96
  6. Step 6: Final answer
    x = 7,418.37

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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.