Home / 18,455.16-27,683.17-6,609.74

Finding the Fourth Proportional to 18,455.16, 27,683.17 and 6,609.74

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Solution

The fourth proportional to 18,455.16, 27,683.17 and 6,609.74 is: 9,914.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,455.16 : 27,683.17 = 6,609.74 : x
  2. Step 2: Convert to fraction form
    18,455.16/27,683.17 = 6,609.74/x
  3. Step 3: Cross multiply
    18,455.16x = 27,683.17 × 6,609.74
  4. Step 4: Simplify right side
    18,455.16x = 182,978,608.76
  5. Step 5: Solve for x
    x = 182,978,608.76/18,455.16
  6. Step 6: Final answer
    x = 9,914.77

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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.