Home / 18,512.52-25,546.64-10,557.30

Finding the Fourth Proportional to 18,512.52, 25,546.64 and 10,557.30

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Solution

The fourth proportional to 18,512.52, 25,546.64 and 10,557.30 is: 14,568.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,512.52 : 25,546.64 = 10,557.30 : x
  2. Step 2: Convert to fraction form
    18,512.52/25,546.64 = 10,557.30/x
  3. Step 3: Cross multiply
    18,512.52x = 25,546.64 × 10,557.30
  4. Step 4: Simplify right side
    18,512.52x = 269,703,644.87
  5. Step 5: Solve for x
    x = 269,703,644.87/18,512.52
  6. Step 6: Final answer
    x = 14,568.72

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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.