Home / 18,254.49-27,381.03-5,775.81

Finding the Fourth Proportional to 18,254.49, 27,381.03 and 5,775.81

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Solution

The fourth proportional to 18,254.49, 27,381.03 and 5,775.81 is: 8,663.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,254.49 : 27,381.03 = 5,775.81 : x
  2. Step 2: Convert to fraction form
    18,254.49/27,381.03 = 5,775.81/x
  3. Step 3: Cross multiply
    18,254.49x = 27,381.03 × 5,775.81
  4. Step 4: Simplify right side
    18,254.49x = 158,147,626.88
  5. Step 5: Solve for x
    x = 158,147,626.88/18,254.49
  6. Step 6: Final answer
    x = 8,663.49

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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.