Home / 18,106.66-27,160.80-4,958.74

Finding the Fourth Proportional to 18,106.66, 27,160.80 and 4,958.74

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Solution

The fourth proportional to 18,106.66, 27,160.80 and 4,958.74 is: 7,438.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,106.66 : 27,160.80 = 4,958.74 : x
  2. Step 2: Convert to fraction form
    18,106.66/27,160.80 = 4,958.74/x
  3. Step 3: Cross multiply
    18,106.66x = 27,160.80 × 4,958.74
  4. Step 4: Simplify right side
    18,106.66x = 134,683,345.39
  5. Step 5: Solve for x
    x = 134,683,345.39/18,106.66
  6. Step 6: Final answer
    x = 7,438.33

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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.