Home / 13,208.18-19,819.89-4,894.02

Finding the Fourth Proportional to 13,208.18, 19,819.89 and 4,894.02

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Solution

The fourth proportional to 13,208.18, 19,819.89 and 4,894.02 is: 7,343.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,208.18 : 19,819.89 = 4,894.02 : x
  2. Step 2: Convert to fraction form
    13,208.18/19,819.89 = 4,894.02/x
  3. Step 3: Cross multiply
    13,208.18x = 19,819.89 × 4,894.02
  4. Step 4: Simplify right side
    13,208.18x = 96,998,938.06
  5. Step 5: Solve for x
    x = 96,998,938.06/13,208.18
  6. Step 6: Final answer
    x = 7,343.86

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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.