Home / 14,223.84-21,333.89-4,228.38

Finding the Fourth Proportional to 14,223.84, 21,333.89 and 4,228.38

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Solution

The fourth proportional to 14,223.84, 21,333.89 and 4,228.38 is: 6,342.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,223.84 : 21,333.89 = 4,228.38 : x
  2. Step 2: Convert to fraction form
    14,223.84/21,333.89 = 4,228.38/x
  3. Step 3: Cross multiply
    14,223.84x = 21,333.89 × 4,228.38
  4. Step 4: Simplify right side
    14,223.84x = 90,207,772.66
  5. Step 5: Solve for x
    x = 90,207,772.66/14,223.84
  6. Step 6: Final answer
    x = 6,342.01

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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.