Home / 18,088.06-27,142.80-10,089.56

Finding the Fourth Proportional to 18,088.06, 27,142.80 and 10,089.56

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Solution

The fourth proportional to 18,088.06, 27,142.80 and 10,089.56 is: 15,140.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,088.06 : 27,142.80 = 10,089.56 : x
  2. Step 2: Convert to fraction form
    18,088.06/27,142.80 = 10,089.56/x
  3. Step 3: Cross multiply
    18,088.06x = 27,142.80 × 10,089.56
  4. Step 4: Simplify right side
    18,088.06x = 273,858,939.19
  5. Step 5: Solve for x
    x = 273,858,939.19/18,088.06
  6. Step 6: Final answer
    x = 15,140.32

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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.