Home / 18,160.72-25,062.44-10,202.78

Finding the Fourth Proportional to 18,160.72, 25,062.44 and 10,202.78

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Solution

The fourth proportional to 18,160.72, 25,062.44 and 10,202.78 is: 14,080.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,160.72 : 25,062.44 = 10,202.78 : x
  2. Step 2: Convert to fraction form
    18,160.72/25,062.44 = 10,202.78/x
  3. Step 3: Cross multiply
    18,160.72x = 25,062.44 × 10,202.78
  4. Step 4: Simplify right side
    18,160.72x = 255,706,573.23
  5. Step 5: Solve for x
    x = 255,706,573.23/18,160.72
  6. Step 6: Final answer
    x = 14,080.20

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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.