Home / 19,206.42-28,789.86-7,356.98

Finding the Fourth Proportional to 19,206.42, 28,789.86 and 7,356.98

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Solution

The fourth proportional to 19,206.42, 28,789.86 and 7,356.98 is: 11,027.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,206.42 : 28,789.86 = 7,356.98 : x
  2. Step 2: Convert to fraction form
    19,206.42/28,789.86 = 7,356.98/x
  3. Step 3: Cross multiply
    19,206.42x = 28,789.86 × 7,356.98
  4. Step 4: Simplify right side
    19,206.42x = 211,806,424.22
  5. Step 5: Solve for x
    x = 211,806,424.22/19,206.42
  6. Step 6: Final answer
    x = 11,027.90

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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.