Home / 20,246.28-27,943.26-12,293.79

Finding the Fourth Proportional to 20,246.28, 27,943.26 and 12,293.79

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Solution

The fourth proportional to 20,246.28, 27,943.26 and 12,293.79 is: 16,967.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,246.28 : 27,943.26 = 12,293.79 : x
  2. Step 2: Convert to fraction form
    20,246.28/27,943.26 = 12,293.79/x
  3. Step 3: Cross multiply
    20,246.28x = 27,943.26 × 12,293.79
  4. Step 4: Simplify right side
    20,246.28x = 343,528,570.36
  5. Step 5: Solve for x
    x = 343,528,570.36/20,246.28
  6. Step 6: Final answer
    x = 16,967.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.