Home / 14,377.44-21,521.56-7,787.28

Finding the Fourth Proportional to 14,377.44, 21,521.56 and 7,787.28

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Solution

The fourth proportional to 14,377.44, 21,521.56 and 7,787.28 is: 11,656.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,377.44 : 21,521.56 = 7,787.28 : x
  2. Step 2: Convert to fraction form
    14,377.44/21,521.56 = 7,787.28/x
  3. Step 3: Cross multiply
    14,377.44x = 21,521.56 × 7,787.28
  4. Step 4: Simplify right side
    14,377.44x = 167,594,413.76
  5. Step 5: Solve for x
    x = 167,594,413.76/14,377.44
  6. Step 6: Final answer
    x = 11,656.76

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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.