Home / 13,828.94-20,753.72-10,279.23

Finding the Fourth Proportional to 13,828.94, 20,753.72 and 10,279.23

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Solution

The fourth proportional to 13,828.94, 20,753.72 and 10,279.23 is: 15,426.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,828.94 : 20,753.72 = 10,279.23 : x
  2. Step 2: Convert to fraction form
    13,828.94/20,753.72 = 10,279.23/x
  3. Step 3: Cross multiply
    13,828.94x = 20,753.72 × 10,279.23
  4. Step 4: Simplify right side
    13,828.94x = 213,332,261.24
  5. Step 5: Solve for x
    x = 213,332,261.24/13,828.94
  6. Step 6: Final answer
    x = 15,426.51

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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.