Home / 18,088.07-27,131.84-10,974

Finding the Fourth Proportional to 18,088.07, 27,131.84 and 10,974

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Solution

The fourth proportional to 18,088.07, 27,131.84 and 10,974 is: 16,460.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,088.07 : 27,131.84 = 10,974 : x
  2. Step 2: Convert to fraction form
    18,088.07/27,131.84 = 10,974/x
  3. Step 3: Cross multiply
    18,088.07x = 27,131.84 × 10,974
  4. Step 4: Simplify right side
    18,088.07x = 297,744,812.16
  5. Step 5: Solve for x
    x = 297,744,812.16/18,088.07
  6. Step 6: Final answer
    x = 16,460.84

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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.