Home / 13,992.68-20,957.28-10,847.48

Finding the Fourth Proportional to 13,992.68, 20,957.28 and 10,847.48

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Solution

The fourth proportional to 13,992.68, 20,957.28 and 10,847.48 is: 16,246.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,992.68 : 20,957.28 = 10,847.48 : x
  2. Step 2: Convert to fraction form
    13,992.68/20,957.28 = 10,847.48/x
  3. Step 3: Cross multiply
    13,992.68x = 20,957.28 × 10,847.48
  4. Step 4: Simplify right side
    13,992.68x = 227,333,675.65
  5. Step 5: Solve for x
    x = 227,333,675.65/13,992.68
  6. Step 6: Final answer
    x = 16,246.61

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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.