Home / 12,704.32-19,059.72-4,915.36

Finding the Fourth Proportional to 12,704.32, 19,059.72 and 4,915.36

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Solution

The fourth proportional to 12,704.32, 19,059.72 and 4,915.36 is: 7,374.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,704.32 : 19,059.72 = 4,915.36 : x
  2. Step 2: Convert to fraction form
    12,704.32/19,059.72 = 4,915.36/x
  3. Step 3: Cross multiply
    12,704.32x = 19,059.72 × 4,915.36
  4. Step 4: Simplify right side
    12,704.32x = 93,685,385.30
  5. Step 5: Solve for x
    x = 93,685,385.30/12,704.32
  6. Step 6: Final answer
    x = 7,374.29

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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.