Home / 18,166.32-27,255.96-10,381.68

Finding the Fourth Proportional to 18,166.32, 27,255.96 and 10,381.68

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Solution

The fourth proportional to 18,166.32, 27,255.96 and 10,381.68 is: 15,576.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,166.32 : 27,255.96 = 10,381.68 : x
  2. Step 2: Convert to fraction form
    18,166.32/27,255.96 = 10,381.68/x
  3. Step 3: Cross multiply
    18,166.32x = 27,255.96 × 10,381.68
  4. Step 4: Simplify right side
    18,166.32x = 282,962,654.81
  5. Step 5: Solve for x
    x = 282,962,654.81/18,166.32
  6. Step 6: Final answer
    x = 15,576.22

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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.