Home / 13,228.43-19,842.01-4,910.07

Finding the Fourth Proportional to 13,228.43, 19,842.01 and 4,910.07

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Solution

The fourth proportional to 13,228.43, 19,842.01 and 4,910.07 is: 7,364.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,228.43 : 19,842.01 = 4,910.07 : x
  2. Step 2: Convert to fraction form
    13,228.43/19,842.01 = 4,910.07/x
  3. Step 3: Cross multiply
    13,228.43x = 19,842.01 × 4,910.07
  4. Step 4: Simplify right side
    13,228.43x = 97,425,645.77
  5. Step 5: Solve for x
    x = 97,425,645.77/13,228.43
  6. Step 6: Final answer
    x = 7,364.87

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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.