Home / 13,517.92-18,652.24-7,853.28

Finding the Fourth Proportional to 13,517.92, 18,652.24 and 7,853.28

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Solution

The fourth proportional to 13,517.92, 18,652.24 and 7,853.28 is: 10,836.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,517.92 : 18,652.24 = 7,853.28 : x
  2. Step 2: Convert to fraction form
    13,517.92/18,652.24 = 7,853.28/x
  3. Step 3: Cross multiply
    13,517.92x = 18,652.24 × 7,853.28
  4. Step 4: Simplify right side
    13,517.92x = 146,481,263.35
  5. Step 5: Solve for x
    x = 146,481,263.35/13,517.92
  6. Step 6: Final answer
    x = 10,836.08

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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.