Home / 17,286.90-25,930.47-7,417.86

Finding the Fourth Proportional to 17,286.90, 25,930.47 and 7,417.86

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Solution

The fourth proportional to 17,286.90, 25,930.47 and 7,417.86 is: 11,126.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,286.90 : 25,930.47 = 7,417.86 : x
  2. Step 2: Convert to fraction form
    17,286.90/25,930.47 = 7,417.86/x
  3. Step 3: Cross multiply
    17,286.90x = 25,930.47 × 7,417.86
  4. Step 4: Simplify right side
    17,286.90x = 192,348,596.19
  5. Step 5: Solve for x
    x = 192,348,596.19/17,286.90
  6. Step 6: Final answer
    x = 11,126.84

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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.