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Finding the Fourth Proportional to 17,485.56, 24,126.81 and 9,932.16

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Solution

The fourth proportional to 17,485.56, 24,126.81 and 9,932.16 is: 13,704.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,485.56 : 24,126.81 = 9,932.16 : x
  2. Step 2: Convert to fraction form
    17,485.56/24,126.81 = 9,932.16/x
  3. Step 3: Cross multiply
    17,485.56x = 24,126.81 × 9,932.16
  4. Step 4: Simplify right side
    17,485.56x = 239,631,337.21
  5. Step 5: Solve for x
    x = 239,631,337.21/17,485.56
  6. Step 6: Final answer
    x = 13,704.53

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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.