Home / 11,188.29-16,782.48-3,397.17

Finding the Fourth Proportional to 11,188.29, 16,782.48 and 3,397.17

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Solution

The fourth proportional to 11,188.29, 16,782.48 and 3,397.17 is: 5,095.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,188.29 : 16,782.48 = 3,397.17 : x
  2. Step 2: Convert to fraction form
    11,188.29/16,782.48 = 3,397.17/x
  3. Step 3: Cross multiply
    11,188.29x = 16,782.48 × 3,397.17
  4. Step 4: Simplify right side
    11,188.29x = 57,012,937.58
  5. Step 5: Solve for x
    x = 57,012,937.58/11,188.29
  6. Step 6: Final answer
    x = 5,095.77

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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.