Home / 18,682.34-25,781.31-10,184.81

Finding the Fourth Proportional to 18,682.34, 25,781.31 and 10,184.81

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Solution

The fourth proportional to 18,682.34, 25,781.31 and 10,184.81 is: 14,054.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,682.34 : 25,781.31 = 10,184.81 : x
  2. Step 2: Convert to fraction form
    18,682.34/25,781.31 = 10,184.81/x
  3. Step 3: Cross multiply
    18,682.34x = 25,781.31 × 10,184.81
  4. Step 4: Simplify right side
    18,682.34x = 262,577,614.99
  5. Step 5: Solve for x
    x = 262,577,614.99/18,682.34
  6. Step 6: Final answer
    x = 14,054.86

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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.