Home / 15,185.88-22,787.33-6,427.35

Finding the Fourth Proportional to 15,185.88, 22,787.33 and 6,427.35

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Solution

The fourth proportional to 15,185.88, 22,787.33 and 6,427.35 is: 9,644.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,185.88 : 22,787.33 = 6,427.35 : x
  2. Step 2: Convert to fraction form
    15,185.88/22,787.33 = 6,427.35/x
  3. Step 3: Cross multiply
    15,185.88x = 22,787.33 × 6,427.35
  4. Step 4: Simplify right side
    15,185.88x = 146,462,113.34
  5. Step 5: Solve for x
    x = 146,462,113.34/15,185.88
  6. Step 6: Final answer
    x = 9,644.62

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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.