Home / 14,222.48-21,333.72-3,835.28

Finding the Fourth Proportional to 14,222.48, 21,333.72 and 3,835.28

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Solution

The fourth proportional to 14,222.48, 21,333.72 and 3,835.28 is: 5,752.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,222.48 : 21,333.72 = 3,835.28 : x
  2. Step 2: Convert to fraction form
    14,222.48/21,333.72 = 3,835.28/x
  3. Step 3: Cross multiply
    14,222.48x = 21,333.72 × 3,835.28
  4. Step 4: Simplify right side
    14,222.48x = 81,820,789.64
  5. Step 5: Solve for x
    x = 81,820,789.64/14,222.48
  6. Step 6: Final answer
    x = 5,752.92

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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.