Home / 17,072.49-23,559.66-9,518.79

Finding the Fourth Proportional to 17,072.49, 23,559.66 and 9,518.79

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Solution

The fourth proportional to 17,072.49, 23,559.66 and 9,518.79 is: 13,135.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,072.49 : 23,559.66 = 9,518.79 : x
  2. Step 2: Convert to fraction form
    17,072.49/23,559.66 = 9,518.79/x
  3. Step 3: Cross multiply
    17,072.49x = 23,559.66 × 9,518.79
  4. Step 4: Simplify right side
    17,072.49x = 224,259,456.01
  5. Step 5: Solve for x
    x = 224,259,456.01/17,072.49
  6. Step 6: Final answer
    x = 13,135.72

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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.