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Finding the Fourth Proportional to 17,760.66, 26,627.22 and 11,507.46

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Solution

The fourth proportional to 17,760.66, 26,627.22 and 11,507.46 is: 17,252.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,760.66 : 26,627.22 = 11,507.46 : x
  2. Step 2: Convert to fraction form
    17,760.66/26,627.22 = 11,507.46/x
  3. Step 3: Cross multiply
    17,760.66x = 26,627.22 × 11,507.46
  4. Step 4: Simplify right side
    17,760.66x = 306,411,669.06
  5. Step 5: Solve for x
    x = 306,411,669.06/17,760.66
  6. Step 6: Final answer
    x = 17,252.27

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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.