Home / 19,112.68-28,661.46-9,249.04

Finding the Fourth Proportional to 19,112.68, 28,661.46 and 9,249.04

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Solution

The fourth proportional to 19,112.68, 28,661.46 and 9,249.04 is: 13,869.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,112.68 : 28,661.46 = 9,249.04 : x
  2. Step 2: Convert to fraction form
    19,112.68/28,661.46 = 9,249.04/x
  3. Step 3: Cross multiply
    19,112.68x = 28,661.46 × 9,249.04
  4. Step 4: Simplify right side
    19,112.68x = 265,090,990.00
  5. Step 5: Solve for x
    x = 265,090,990.00/19,112.68
  6. Step 6: Final answer
    x = 13,869.90

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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.