Home / 18,950.94-28,427.37-5,100.06

Finding the Fourth Proportional to 18,950.94, 28,427.37 and 5,100.06

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Solution

The fourth proportional to 18,950.94, 28,427.37 and 5,100.06 is: 7,650.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,950.94 : 28,427.37 = 5,100.06 : x
  2. Step 2: Convert to fraction form
    18,950.94/28,427.37 = 5,100.06/x
  3. Step 3: Cross multiply
    18,950.94x = 28,427.37 × 5,100.06
  4. Step 4: Simplify right side
    18,950.94x = 144,981,292.64
  5. Step 5: Solve for x
    x = 144,981,292.64/18,950.94
  6. Step 6: Final answer
    x = 7,650.35

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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.