Home / 18,404.67-27,613.53-7,870.26

Finding the Fourth Proportional to 18,404.67, 27,613.53 and 7,870.26

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Solution

The fourth proportional to 18,404.67, 27,613.53 and 7,870.26 is: 11,808.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,404.67 : 27,613.53 = 7,870.26 : x
  2. Step 2: Convert to fraction form
    18,404.67/27,613.53 = 7,870.26/x
  3. Step 3: Cross multiply
    18,404.67x = 27,613.53 × 7,870.26
  4. Step 4: Simplify right side
    18,404.67x = 217,325,660.62
  5. Step 5: Solve for x
    x = 217,325,660.62/18,404.67
  6. Step 6: Final answer
    x = 11,808.18

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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.