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Finding the Fourth Proportional to 17,207.72, 23,746.28 and 9,653.92

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Solution

The fourth proportional to 17,207.72, 23,746.28 and 9,653.92 is: 13,322.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,207.72 : 23,746.28 = 9,653.92 : x
  2. Step 2: Convert to fraction form
    17,207.72/23,746.28 = 9,653.92/x
  3. Step 3: Cross multiply
    17,207.72x = 23,746.28 × 9,653.92
  4. Step 4: Simplify right side
    17,207.72x = 229,244,652.19
  5. Step 5: Solve for x
    x = 229,244,652.19/17,207.72
  6. Step 6: Final answer
    x = 13,322.20

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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.