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Finding the Fourth Proportional to 17,119.50, 23,641.07 and 16,187.63

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Solution

The fourth proportional to 17,119.50, 23,641.07 and 16,187.63 is: 22,354.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,119.50 : 23,641.07 = 16,187.63 : x
  2. Step 2: Convert to fraction form
    17,119.50/23,641.07 = 16,187.63/x
  3. Step 3: Cross multiply
    17,119.50x = 23,641.07 × 16,187.63
  4. Step 4: Simplify right side
    17,119.50x = 382,692,694.82
  5. Step 5: Solve for x
    x = 382,692,694.82/17,119.50
  6. Step 6: Final answer
    x = 22,354.20

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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.