Home / 13,179.99-19,769.38-4,859.40

Finding the Fourth Proportional to 13,179.99, 19,769.38 and 4,859.40

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Solution

The fourth proportional to 13,179.99, 19,769.38 and 4,859.40 is: 7,288.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,179.99 : 19,769.38 = 4,859.40 : x
  2. Step 2: Convert to fraction form
    13,179.99/19,769.38 = 4,859.40/x
  3. Step 3: Cross multiply
    13,179.99x = 19,769.38 × 4,859.40
  4. Step 4: Simplify right side
    13,179.99x = 96,067,313.02
  5. Step 5: Solve for x
    x = 96,067,313.02/13,179.99
  6. Step 6: Final answer
    x = 7,288.88

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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.