Home / 14,428.21-21,640.15-4,566.21

Finding the Fourth Proportional to 14,428.21, 21,640.15 and 4,566.21

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Solution

The fourth proportional to 14,428.21, 21,640.15 and 4,566.21 is: 6,848.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,428.21 : 21,640.15 = 4,566.21 : x
  2. Step 2: Convert to fraction form
    14,428.21/21,640.15 = 4,566.21/x
  3. Step 3: Cross multiply
    14,428.21x = 21,640.15 × 4,566.21
  4. Step 4: Simplify right side
    14,428.21x = 98,813,469.33
  5. Step 5: Solve for x
    x = 98,813,469.33/14,428.21
  6. Step 6: Final answer
    x = 6,848.63

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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.