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Finding the Fourth Proportional to 14,294.54, 21,443.08 and 4,933.56

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Solution

The fourth proportional to 14,294.54, 21,443.08 and 4,933.56 is: 7,400.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,294.54 : 21,443.08 = 4,933.56 : x
  2. Step 2: Convert to fraction form
    14,294.54/21,443.08 = 4,933.56/x
  3. Step 3: Cross multiply
    14,294.54x = 21,443.08 × 4,933.56
  4. Step 4: Simplify right side
    14,294.54x = 105,790,721.76
  5. Step 5: Solve for x
    x = 105,790,721.76/14,294.54
  6. Step 6: Final answer
    x = 7,400.78

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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.