Home / 19,284.55-28,922.77-7,434.25

Finding the Fourth Proportional to 19,284.55, 28,922.77 and 7,434.25

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Solution

The fourth proportional to 19,284.55, 28,922.77 and 7,434.25 is: 11,149.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,284.55 : 28,922.77 = 7,434.25 : x
  2. Step 2: Convert to fraction form
    19,284.55/28,922.77 = 7,434.25/x
  3. Step 3: Cross multiply
    19,284.55x = 28,922.77 × 7,434.25
  4. Step 4: Simplify right side
    19,284.55x = 215,019,039.86
  5. Step 5: Solve for x
    x = 215,019,039.86/19,284.55
  6. Step 6: Final answer
    x = 11,149.81

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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.