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Finding the Fourth Proportional to 17,609.64, 26,407.36 and 7,473.84

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Solution

The fourth proportional to 17,609.64, 26,407.36 and 7,473.84 is: 11,207.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,609.64 : 26,407.36 = 7,473.84 : x
  2. Step 2: Convert to fraction form
    17,609.64/26,407.36 = 7,473.84/x
  3. Step 3: Cross multiply
    17,609.64x = 26,407.36 × 7,473.84
  4. Step 4: Simplify right side
    17,609.64x = 197,364,383.46
  5. Step 5: Solve for x
    x = 197,364,383.46/17,609.64
  6. Step 6: Final answer
    x = 11,207.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.