Home / 19,338.89-29,012.85-6,191.37

Finding the Fourth Proportional to 19,338.89, 29,012.85 and 6,191.37

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Solution

The fourth proportional to 19,338.89, 29,012.85 and 6,191.37 is: 9,288.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,338.89 : 29,012.85 = 6,191.37 : x
  2. Step 2: Convert to fraction form
    19,338.89/29,012.85 = 6,191.37/x
  3. Step 3: Cross multiply
    19,338.89x = 29,012.85 × 6,191.37
  4. Step 4: Simplify right side
    19,338.89x = 179,629,289.10
  5. Step 5: Solve for x
    x = 179,629,289.10/19,338.89
  6. Step 6: Final answer
    x = 9,288.50

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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.