Home / 14,381.08-21,576.78-5,622.28

Finding the Fourth Proportional to 14,381.08, 21,576.78 and 5,622.28

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Solution

The fourth proportional to 14,381.08, 21,576.78 and 5,622.28 is: 8,435.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,381.08 : 21,576.78 = 5,622.28 : x
  2. Step 2: Convert to fraction form
    14,381.08/21,576.78 = 5,622.28/x
  3. Step 3: Cross multiply
    14,381.08x = 21,576.78 × 5,622.28
  4. Step 4: Simplify right side
    14,381.08x = 121,310,698.66
  5. Step 5: Solve for x
    x = 121,310,698.66/14,381.08
  6. Step 6: Final answer
    x = 8,435.44

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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.