Home / 19,261.12-28,891.73-5,221.24

Finding the Fourth Proportional to 19,261.12, 28,891.73 and 5,221.24

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Solution

The fourth proportional to 19,261.12, 28,891.73 and 5,221.24 is: 7,831.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,261.12 : 28,891.73 = 5,221.24 : x
  2. Step 2: Convert to fraction form
    19,261.12/28,891.73 = 5,221.24/x
  3. Step 3: Cross multiply
    19,261.12x = 28,891.73 × 5,221.24
  4. Step 4: Simplify right side
    19,261.12x = 150,850,656.35
  5. Step 5: Solve for x
    x = 150,850,656.35/19,261.12
  6. Step 6: Final answer
    x = 7,831.87

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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.