Home / 20,767.55-31,173.19-9,684.92

Finding the Fourth Proportional to 20,767.55, 31,173.19 and 9,684.92

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Solution

The fourth proportional to 20,767.55, 31,173.19 and 9,684.92 is: 14,537.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,767.55 : 31,173.19 = 9,684.92 : x
  2. Step 2: Convert to fraction form
    20,767.55/31,173.19 = 9,684.92/x
  3. Step 3: Cross multiply
    20,767.55x = 31,173.19 × 9,684.92
  4. Step 4: Simplify right side
    20,767.55x = 301,909,905.02
  5. Step 5: Solve for x
    x = 301,909,905.02/20,767.55
  6. Step 6: Final answer
    x = 14,537.58

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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.