Home / 12,419.26-18,628.93-3,059.51

Finding the Fourth Proportional to 12,419.26, 18,628.93 and 3,059.51

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Solution

The fourth proportional to 12,419.26, 18,628.93 and 3,059.51 is: 4,589.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,419.26 : 18,628.93 = 3,059.51 : x
  2. Step 2: Convert to fraction form
    12,419.26/18,628.93 = 3,059.51/x
  3. Step 3: Cross multiply
    12,419.26x = 18,628.93 × 3,059.51
  4. Step 4: Simplify right side
    12,419.26x = 56,995,308.30
  5. Step 5: Solve for x
    x = 56,995,308.30/12,419.26
  6. Step 6: Final answer
    x = 4,589.27

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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.