Home / 9,419.51-14,128.61-2,845.73

Finding the Fourth Proportional to 9,419.51, 14,128.61 and 2,845.73

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Solution

The fourth proportional to 9,419.51, 14,128.61 and 2,845.73 is: 4,268.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,419.51 : 14,128.61 = 2,845.73 : x
  2. Step 2: Convert to fraction form
    9,419.51/14,128.61 = 2,845.73/x
  3. Step 3: Cross multiply
    9,419.51x = 14,128.61 × 2,845.73
  4. Step 4: Simplify right side
    9,419.51x = 40,206,124.46
  5. Step 5: Solve for x
    x = 40,206,124.46/9,419.51
  6. Step 6: Final answer
    x = 4,268.39

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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.