Home / 11,442.43-17,142.92-9,605.35

Finding the Fourth Proportional to 11,442.43, 17,142.92 and 9,605.35

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Solution

The fourth proportional to 11,442.43, 17,142.92 and 9,605.35 is: 14,390.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,442.43 : 17,142.92 = 9,605.35 : x
  2. Step 2: Convert to fraction form
    11,442.43/17,142.92 = 9,605.35/x
  3. Step 3: Cross multiply
    11,442.43x = 17,142.92 × 9,605.35
  4. Step 4: Simplify right side
    11,442.43x = 164,663,612.88
  5. Step 5: Solve for x
    x = 164,663,612.88/11,442.43
  6. Step 6: Final answer
    x = 14,390.62

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1.5x scale

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.