Home / 13,186.34-19,787.29-4,872.24

Finding the Fourth Proportional to 13,186.34, 19,787.29 and 4,872.24

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Solution

The fourth proportional to 13,186.34, 19,787.29 and 4,872.24 is: 7,311.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,186.34 : 19,787.29 = 4,872.24 : x
  2. Step 2: Convert to fraction form
    13,186.34/19,787.29 = 4,872.24/x
  3. Step 3: Cross multiply
    13,186.34x = 19,787.29 × 4,872.24
  4. Step 4: Simplify right side
    13,186.34x = 96,408,425.83
  5. Step 5: Solve for x
    x = 96,408,425.83/13,186.34
  6. Step 6: Final answer
    x = 7,311.23

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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.