Home / 19,282.22-28,923.96-6,631.85

Finding the Fourth Proportional to 19,282.22, 28,923.96 and 6,631.85

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Solution

The fourth proportional to 19,282.22, 28,923.96 and 6,631.85 is: 9,947.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,282.22 : 28,923.96 = 6,631.85 : x
  2. Step 2: Convert to fraction form
    19,282.22/28,923.96 = 6,631.85/x
  3. Step 3: Cross multiply
    19,282.22x = 28,923.96 × 6,631.85
  4. Step 4: Simplify right side
    19,282.22x = 191,819,387.53
  5. Step 5: Solve for x
    x = 191,819,387.53/19,282.22
  6. Step 6: Final answer
    x = 9,947.99

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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.