Home / 10,309.12-15,463.04-2,914.56

Finding the Fourth Proportional to 10,309.12, 15,463.04 and 2,914.56

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Solution

The fourth proportional to 10,309.12, 15,463.04 and 2,914.56 is: 4,371.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,309.12 : 15,463.04 = 2,914.56 : x
  2. Step 2: Convert to fraction form
    10,309.12/15,463.04 = 2,914.56/x
  3. Step 3: Cross multiply
    10,309.12x = 15,463.04 × 2,914.56
  4. Step 4: Simplify right side
    10,309.12x = 45,067,957.86
  5. Step 5: Solve for x
    x = 45,067,957.86/10,309.12
  6. Step 6: Final answer
    x = 4,371.66

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1.5x scale

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.