Home / 12,171.28-16,792.44-9,610.91

Finding the Fourth Proportional to 12,171.28, 16,792.44 and 9,610.91

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Solution

The fourth proportional to 12,171.28, 16,792.44 and 9,610.91 is: 13,259.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,171.28 : 16,792.44 = 9,610.91 : x
  2. Step 2: Convert to fraction form
    12,171.28/16,792.44 = 9,610.91/x
  3. Step 3: Cross multiply
    12,171.28x = 16,792.44 × 9,610.91
  4. Step 4: Simplify right side
    12,171.28x = 161,390,629.52
  5. Step 5: Solve for x
    x = 161,390,629.52/12,171.28
  6. Step 6: Final answer
    x = 13,259.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.