Home / 18,127.94-25,017.09-10,170.05

Finding the Fourth Proportional to 18,127.94, 25,017.09 and 10,170.05

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Solution

The fourth proportional to 18,127.94, 25,017.09 and 10,170.05 is: 14,034.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,127.94 : 25,017.09 = 10,170.05 : x
  2. Step 2: Convert to fraction form
    18,127.94/25,017.09 = 10,170.05/x
  3. Step 3: Cross multiply
    18,127.94x = 25,017.09 × 10,170.05
  4. Step 4: Simplify right side
    18,127.94x = 254,425,056.15
  5. Step 5: Solve for x
    x = 254,425,056.15/18,127.94
  6. Step 6: Final answer
    x = 14,034.97

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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.