Home / 12,835.45-19,251.87-8,702.02

Finding the Fourth Proportional to 12,835.45, 19,251.87 and 8,702.02

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Solution

The fourth proportional to 12,835.45, 19,251.87 and 8,702.02 is: 13,052.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,835.45 : 19,251.87 = 8,702.02 : x
  2. Step 2: Convert to fraction form
    12,835.45/19,251.87 = 8,702.02/x
  3. Step 3: Cross multiply
    12,835.45x = 19,251.87 × 8,702.02
  4. Step 4: Simplify right side
    12,835.45x = 167,530,157.78
  5. Step 5: Solve for x
    x = 167,530,157.78/12,835.45
  6. Step 6: Final answer
    x = 13,052.15

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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.