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Finding the Fourth Proportional to 17,743, 24,486.40 and 9,785.20

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Solution

The fourth proportional to 17,743, 24,486.40 and 9,785.20 is: 13,504.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,743 : 24,486.40 = 9,785.20 : x
  2. Step 2: Convert to fraction form
    17,743/24,486.40 = 9,785.20/x
  3. Step 3: Cross multiply
    17,743x = 24,486.40 × 9,785.20
  4. Step 4: Simplify right side
    17,743x = 239,604,321.28
  5. Step 5: Solve for x
    x = 239,604,321.28/17,743
  6. Step 6: Final answer
    x = 13,504.16

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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.