Home / 12,835.68-19,251.06-4,070.64

Finding the Fourth Proportional to 12,835.68, 19,251.06 and 4,070.64

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Solution

The fourth proportional to 12,835.68, 19,251.06 and 4,070.64 is: 6,105.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,835.68 : 19,251.06 = 4,070.64 : x
  2. Step 2: Convert to fraction form
    12,835.68/19,251.06 = 4,070.64/x
  3. Step 3: Cross multiply
    12,835.68x = 19,251.06 × 4,070.64
  4. Step 4: Simplify right side
    12,835.68x = 78,364,134.88
  5. Step 5: Solve for x
    x = 78,364,134.88/12,835.68
  6. Step 6: Final answer
    x = 6,105.18

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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.