Home / 13,197.01-19,792.05-4,879.40

Finding the Fourth Proportional to 13,197.01, 19,792.05 and 4,879.40

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Solution

The fourth proportional to 13,197.01, 19,792.05 and 4,879.40 is: 7,317.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,197.01 : 19,792.05 = 4,879.40 : x
  2. Step 2: Convert to fraction form
    13,197.01/19,792.05 = 4,879.40/x
  3. Step 3: Cross multiply
    13,197.01x = 19,792.05 × 4,879.40
  4. Step 4: Simplify right side
    13,197.01x = 96,573,378.25
  5. Step 5: Solve for x
    x = 96,573,378.25/13,197.01
  6. Step 6: Final answer
    x = 7,317.82

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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.