Home / 13,104.36-19,660.38-4,897

Finding the Fourth Proportional to 13,104.36, 19,660.38 and 4,897

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Solution

The fourth proportional to 13,104.36, 19,660.38 and 4,897 is: 7,346.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,104.36 : 19,660.38 = 4,897 : x
  2. Step 2: Convert to fraction form
    13,104.36/19,660.38 = 4,897/x
  3. Step 3: Cross multiply
    13,104.36x = 19,660.38 × 4,897
  4. Step 4: Simplify right side
    13,104.36x = 96,276,880.86
  5. Step 5: Solve for x
    x = 96,276,880.86/13,104.36
  6. Step 6: Final answer
    x = 7,346.93

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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.