Home / 19,699.28-27,183.72-10,967.60

Finding the Fourth Proportional to 19,699.28, 27,183.72 and 10,967.60

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Solution

The fourth proportional to 19,699.28, 27,183.72 and 10,967.60 is: 15,134.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,699.28 : 27,183.72 = 10,967.60 : x
  2. Step 2: Convert to fraction form
    19,699.28/27,183.72 = 10,967.60/x
  3. Step 3: Cross multiply
    19,699.28x = 27,183.72 × 10,967.60
  4. Step 4: Simplify right side
    19,699.28x = 298,140,167.47
  5. Step 5: Solve for x
    x = 298,140,167.47/19,699.28
  6. Step 6: Final answer
    x = 15,134.57

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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.