Home / 10,315.23-15,468.12-3,293.88

Finding the Fourth Proportional to 10,315.23, 15,468.12 and 3,293.88

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Solution

The fourth proportional to 10,315.23, 15,468.12 and 3,293.88 is: 4,939.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,315.23 : 15,468.12 = 3,293.88 : x
  2. Step 2: Convert to fraction form
    10,315.23/15,468.12 = 3,293.88/x
  3. Step 3: Cross multiply
    10,315.23x = 15,468.12 × 3,293.88
  4. Step 4: Simplify right side
    10,315.23x = 50,950,131.11
  5. Step 5: Solve for x
    x = 50,950,131.11/10,315.23
  6. Step 6: Final answer
    x = 4,939.31

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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.