Home / 13,179.14-19,770.69-4,291.57

Finding the Fourth Proportional to 13,179.14, 19,770.69 and 4,291.57

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Solution

The fourth proportional to 13,179.14, 19,770.69 and 4,291.57 is: 6,437.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,179.14 : 19,770.69 = 4,291.57 : x
  2. Step 2: Convert to fraction form
    13,179.14/19,770.69 = 4,291.57/x
  3. Step 3: Cross multiply
    13,179.14x = 19,770.69 × 4,291.57
  4. Step 4: Simplify right side
    13,179.14x = 84,847,179.77
  5. Step 5: Solve for x
    x = 84,847,179.77/13,179.14
  6. Step 6: Final answer
    x = 6,437.99

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1.5x scale

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.