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Finding the Fourth Proportional to 17,319.88, 23,900 and 9,768.08

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Solution

The fourth proportional to 17,319.88, 23,900 and 9,768.08 is: 13,479.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,319.88 : 23,900 = 9,768.08 : x
  2. Step 2: Convert to fraction form
    17,319.88/23,900 = 9,768.08/x
  3. Step 3: Cross multiply
    17,319.88x = 23,900 × 9,768.08
  4. Step 4: Simplify right side
    17,319.88x = 233,457,112
  5. Step 5: Solve for x
    x = 233,457,112/17,319.88
  6. Step 6: Final answer
    x = 13,479.14

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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.