Home / 13,179.14-19,771.34-4,859.18

Finding the Fourth Proportional to 13,179.14, 19,771.34 and 4,859.18

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Solution

The fourth proportional to 13,179.14, 19,771.34 and 4,859.18 is: 7,289.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,179.14 : 19,771.34 = 4,859.18 : x
  2. Step 2: Convert to fraction form
    13,179.14/19,771.34 = 4,859.18/x
  3. Step 3: Cross multiply
    13,179.14x = 19,771.34 × 4,859.18
  4. Step 4: Simplify right side
    13,179.14x = 96,072,561.48
  5. Step 5: Solve for x
    x = 96,072,561.48/13,179.14
  6. Step 6: Final answer
    x = 7,289.75

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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.