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Finding the Fourth Proportional to 17,769.64, 26,679.04 and 9,010.66

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Solution

The fourth proportional to 17,769.64, 26,679.04 and 9,010.66 is: 13,528.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,769.64 : 26,679.04 = 9,010.66 : x
  2. Step 2: Convert to fraction form
    17,769.64/26,679.04 = 9,010.66/x
  3. Step 3: Cross multiply
    17,769.64x = 26,679.04 × 9,010.66
  4. Step 4: Simplify right side
    17,769.64x = 240,395,758.57
  5. Step 5: Solve for x
    x = 240,395,758.57/17,769.64
  6. Step 6: Final answer
    x = 13,528.45

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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.