Home / 14,620.50-21,930.75-4,233.06

Finding the Fourth Proportional to 14,620.50, 21,930.75 and 4,233.06

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Solution

The fourth proportional to 14,620.50, 21,930.75 and 4,233.06 is: 6,349.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,620.50 : 21,930.75 = 4,233.06 : x
  2. Step 2: Convert to fraction form
    14,620.50/21,930.75 = 4,233.06/x
  3. Step 3: Cross multiply
    14,620.50x = 21,930.75 × 4,233.06
  4. Step 4: Simplify right side
    14,620.50x = 92,834,180.60
  5. Step 5: Solve for x
    x = 92,834,180.60/14,620.50
  6. Step 6: Final answer
    x = 6,349.59

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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.