Home / 12,770.46-19,138.68-4,975.02

Finding the Fourth Proportional to 12,770.46, 19,138.68 and 4,975.02

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Solution

The fourth proportional to 12,770.46, 19,138.68 and 4,975.02 is: 7,455.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,770.46 : 19,138.68 = 4,975.02 : x
  2. Step 2: Convert to fraction form
    12,770.46/19,138.68 = 4,975.02/x
  3. Step 3: Cross multiply
    12,770.46x = 19,138.68 × 4,975.02
  4. Step 4: Simplify right side
    12,770.46x = 95,215,315.77
  5. Step 5: Solve for x
    x = 95,215,315.77/12,770.46
  6. Step 6: Final answer
    x = 7,455.90

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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.