Home / 13,065.68-19,591.06-4,179.28

Finding the Fourth Proportional to 13,065.68, 19,591.06 and 4,179.28

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Solution

The fourth proportional to 13,065.68, 19,591.06 and 4,179.28 is: 6,266.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,065.68 : 19,591.06 = 4,179.28 : x
  2. Step 2: Convert to fraction form
    13,065.68/19,591.06 = 4,179.28/x
  3. Step 3: Cross multiply
    13,065.68x = 19,591.06 × 4,179.28
  4. Step 4: Simplify right side
    13,065.68x = 81,876,525.24
  5. Step 5: Solve for x
    x = 81,876,525.24/13,065.68
  6. Step 6: Final answer
    x = 6,266.53

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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.