Home / 18,276.88-25,221.92-10,318.96

Finding the Fourth Proportional to 18,276.88, 25,221.92 and 10,318.96

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Solution

The fourth proportional to 18,276.88, 25,221.92 and 10,318.96 is: 14,240.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,276.88 : 25,221.92 = 10,318.96 : x
  2. Step 2: Convert to fraction form
    18,276.88/25,221.92 = 10,318.96/x
  3. Step 3: Cross multiply
    18,276.88x = 25,221.92 × 10,318.96
  4. Step 4: Simplify right side
    18,276.88x = 260,263,983.60
  5. Step 5: Solve for x
    x = 260,263,983.60/18,276.88
  6. Step 6: Final answer
    x = 14,240.07

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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.