Home / 18,091.10-24,967.80-10,131.77

Finding the Fourth Proportional to 18,091.10, 24,967.80 and 10,131.77

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Solution

The fourth proportional to 18,091.10, 24,967.80 and 10,131.77 is: 13,983.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,091.10 : 24,967.80 = 10,131.77 : x
  2. Step 2: Convert to fraction form
    18,091.10/24,967.80 = 10,131.77/x
  3. Step 3: Cross multiply
    18,091.10x = 24,967.80 × 10,131.77
  4. Step 4: Simplify right side
    18,091.10x = 252,967,882.17
  5. Step 5: Solve for x
    x = 252,967,882.17/18,091.10
  6. Step 6: Final answer
    x = 13,983.01

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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.