Home / 18,036.27-27,029.70-10,142.62

Finding the Fourth Proportional to 18,036.27, 27,029.70 and 10,142.62

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Solution

The fourth proportional to 18,036.27, 27,029.70 and 10,142.62 is: 15,200.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,036.27 : 27,029.70 = 10,142.62 : x
  2. Step 2: Convert to fraction form
    18,036.27/27,029.70 = 10,142.62/x
  3. Step 3: Cross multiply
    18,036.27x = 27,029.70 × 10,142.62
  4. Step 4: Simplify right side
    18,036.27x = 274,151,908.24
  5. Step 5: Solve for x
    x = 274,151,908.24/18,036.27
  6. Step 6: Final answer
    x = 15,200.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.