Home / 12,901.21-19,349.88-4,134.94

Finding the Fourth Proportional to 12,901.21, 19,349.88 and 4,134.94

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Solution

The fourth proportional to 12,901.21, 19,349.88 and 4,134.94 is: 6,201.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,901.21 : 19,349.88 = 4,134.94 : x
  2. Step 2: Convert to fraction form
    12,901.21/19,349.88 = 4,134.94/x
  3. Step 3: Cross multiply
    12,901.21x = 19,349.88 × 4,134.94
  4. Step 4: Simplify right side
    12,901.21x = 80,010,592.81
  5. Step 5: Solve for x
    x = 80,010,592.81/12,901.21
  6. Step 6: Final answer
    x = 6,201.79

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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.