Home / 22,792.13-31,454.71-12,722.53

Finding the Fourth Proportional to 22,792.13, 31,454.71 and 12,722.53

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Solution

The fourth proportional to 22,792.13, 31,454.71 and 12,722.53 is: 17,557.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,792.13 : 31,454.71 = 12,722.53 : x
  2. Step 2: Convert to fraction form
    22,792.13/31,454.71 = 12,722.53/x
  3. Step 3: Cross multiply
    22,792.13x = 31,454.71 × 12,722.53
  4. Step 4: Simplify right side
    22,792.13x = 400,183,491.62
  5. Step 5: Solve for x
    x = 400,183,491.62/22,792.13
  6. Step 6: Final answer
    x = 17,557.97

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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.