Home / 18,438.18-27,659.80-5,954.06

Finding the Fourth Proportional to 18,438.18, 27,659.80 and 5,954.06

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Solution

The fourth proportional to 18,438.18, 27,659.80 and 5,954.06 is: 8,931.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,438.18 : 27,659.80 = 5,954.06 : x
  2. Step 2: Convert to fraction form
    18,438.18/27,659.80 = 5,954.06/x
  3. Step 3: Cross multiply
    18,438.18x = 27,659.80 × 5,954.06
  4. Step 4: Simplify right side
    18,438.18x = 164,688,108.79
  5. Step 5: Solve for x
    x = 164,688,108.79/18,438.18
  6. Step 6: Final answer
    x = 8,931.91

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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.