Home / 12,702.05-19,053.60-4,803.79

Finding the Fourth Proportional to 12,702.05, 19,053.60 and 4,803.79

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Solution

The fourth proportional to 12,702.05, 19,053.60 and 4,803.79 is: 7,205.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,702.05 : 19,053.60 = 4,803.79 : x
  2. Step 2: Convert to fraction form
    12,702.05/19,053.60 = 4,803.79/x
  3. Step 3: Cross multiply
    12,702.05x = 19,053.60 × 4,803.79
  4. Step 4: Simplify right side
    12,702.05x = 91,529,493.14
  5. Step 5: Solve for x
    x = 91,529,493.14/12,702.05
  6. Step 6: Final answer
    x = 7,205.88

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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.