Home / 14,792.19-22,180.64-5,429.80

Finding the Fourth Proportional to 14,792.19, 22,180.64 and 5,429.80

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Solution

The fourth proportional to 14,792.19, 22,180.64 and 5,429.80 is: 8,141.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,792.19 : 22,180.64 = 5,429.80 : x
  2. Step 2: Convert to fraction form
    14,792.19/22,180.64 = 5,429.80/x
  3. Step 3: Cross multiply
    14,792.19x = 22,180.64 × 5,429.80
  4. Step 4: Simplify right side
    14,792.19x = 120,436,439.65
  5. Step 5: Solve for x
    x = 120,436,439.65/14,792.19
  6. Step 6: Final answer
    x = 8,141.90

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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.