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Finding the Fourth Proportional to 17,900.28, 24,703.74 and 9,944.10

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Solution

The fourth proportional to 17,900.28, 24,703.74 and 9,944.10 is: 13,723.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,900.28 : 24,703.74 = 9,944.10 : x
  2. Step 2: Convert to fraction form
    17,900.28/24,703.74 = 9,944.10/x
  3. Step 3: Cross multiply
    17,900.28x = 24,703.74 × 9,944.10
  4. Step 4: Simplify right side
    17,900.28x = 245,656,460.93
  5. Step 5: Solve for x
    x = 245,656,460.93/17,900.28
  6. Step 6: Final answer
    x = 13,723.61

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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.