Home / 18,580.24-27,875.22-10,781.56

Finding the Fourth Proportional to 18,580.24, 27,875.22 and 10,781.56

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Solution

The fourth proportional to 18,580.24, 27,875.22 and 10,781.56 is: 16,175.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,580.24 : 27,875.22 = 10,781.56 : x
  2. Step 2: Convert to fraction form
    18,580.24/27,875.22 = 10,781.56/x
  3. Step 3: Cross multiply
    18,580.24x = 27,875.22 × 10,781.56
  4. Step 4: Simplify right side
    18,580.24x = 300,538,356.94
  5. Step 5: Solve for x
    x = 300,538,356.94/18,580.24
  6. Step 6: Final answer
    x = 16,175.16

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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.