Home / 18,627.67-27,938.77-6,148.10

Finding the Fourth Proportional to 18,627.67, 27,938.77 and 6,148.10

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Solution

The fourth proportional to 18,627.67, 27,938.77 and 6,148.10 is: 9,221.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,627.67 : 27,938.77 = 6,148.10 : x
  2. Step 2: Convert to fraction form
    18,627.67/27,938.77 = 6,148.10/x
  3. Step 3: Cross multiply
    18,627.67x = 27,938.77 × 6,148.10
  4. Step 4: Simplify right side
    18,627.67x = 171,770,181.40
  5. Step 5: Solve for x
    x = 171,770,181.40/18,627.67
  6. Step 6: Final answer
    x = 9,221.24

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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.