Home / 18,269.92-25,210.26-10,311.64

Finding the Fourth Proportional to 18,269.92, 25,210.26 and 10,311.64

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Solution

The fourth proportional to 18,269.92, 25,210.26 and 10,311.64 is: 14,228.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,269.92 : 25,210.26 = 10,311.64 : x
  2. Step 2: Convert to fraction form
    18,269.92/25,210.26 = 10,311.64/x
  3. Step 3: Cross multiply
    18,269.92x = 25,210.26 × 10,311.64
  4. Step 4: Simplify right side
    18,269.92x = 259,959,125.43
  5. Step 5: Solve for x
    x = 259,959,125.43/18,269.92
  6. Step 6: Final answer
    x = 14,228.80

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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.