Home / 19,237.24-28,856.10-7,391.80

Finding the Fourth Proportional to 19,237.24, 28,856.10 and 7,391.80

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Solution

The fourth proportional to 19,237.24, 28,856.10 and 7,391.80 is: 11,087.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,237.24 : 28,856.10 = 7,391.80 : x
  2. Step 2: Convert to fraction form
    19,237.24/28,856.10 = 7,391.80/x
  3. Step 3: Cross multiply
    19,237.24x = 28,856.10 × 7,391.80
  4. Step 4: Simplify right side
    19,237.24x = 213,298,519.98
  5. Step 5: Solve for x
    x = 213,298,519.98/19,237.24
  6. Step 6: Final answer
    x = 11,087.79

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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.