Home / 14,591.98-21,890-4,728.08

Finding the Fourth Proportional to 14,591.98, 21,890 and 4,728.08

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Solution

The fourth proportional to 14,591.98, 21,890 and 4,728.08 is: 7,092.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,591.98 : 21,890 = 4,728.08 : x
  2. Step 2: Convert to fraction form
    14,591.98/21,890 = 4,728.08/x
  3. Step 3: Cross multiply
    14,591.98x = 21,890 × 4,728.08
  4. Step 4: Simplify right side
    14,591.98x = 103,497,671.20
  5. Step 5: Solve for x
    x = 103,497,671.20/14,591.98
  6. Step 6: Final answer
    x = 7,092.78

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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.