Home / 13,226.28-19,839.42-4,905.96

Finding the Fourth Proportional to 13,226.28, 19,839.42 and 4,905.96

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Solution

The fourth proportional to 13,226.28, 19,839.42 and 4,905.96 is: 7,358.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,226.28 : 19,839.42 = 4,905.96 : x
  2. Step 2: Convert to fraction form
    13,226.28/19,839.42 = 4,905.96/x
  3. Step 3: Cross multiply
    13,226.28x = 19,839.42 × 4,905.96
  4. Step 4: Simplify right side
    13,226.28x = 97,331,400.94
  5. Step 5: Solve for x
    x = 97,331,400.94/13,226.28
  6. Step 6: Final answer
    x = 7,358.94

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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.