Home / 14,388.44-21,585.29-5,622.80

Finding the Fourth Proportional to 14,388.44, 21,585.29 and 5,622.80

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Solution

The fourth proportional to 14,388.44, 21,585.29 and 5,622.80 is: 8,435.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,388.44 : 21,585.29 = 5,622.80 : x
  2. Step 2: Convert to fraction form
    14,388.44/21,585.29 = 5,622.80/x
  3. Step 3: Cross multiply
    14,388.44x = 21,585.29 × 5,622.80
  4. Step 4: Simplify right side
    14,388.44x = 121,369,632.57
  5. Step 5: Solve for x
    x = 121,369,632.57/14,388.44
  6. Step 6: Final answer
    x = 8,435.22

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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.