Home / 21,194.42-31,792.91-6,963.85

Finding the Fourth Proportional to 21,194.42, 31,792.91 and 6,963.85

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Solution

The fourth proportional to 21,194.42, 31,792.91 and 6,963.85 is: 10,446.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,194.42 : 31,792.91 = 6,963.85 : x
  2. Step 2: Convert to fraction form
    21,194.42/31,792.91 = 6,963.85/x
  3. Step 3: Cross multiply
    21,194.42x = 31,792.91 × 6,963.85
  4. Step 4: Simplify right side
    21,194.42x = 221,400,971.81
  5. Step 5: Solve for x
    x = 221,400,971.81/21,194.42
  6. Step 6: Final answer
    x = 10,446.19

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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.