Home / 19,280.14-28,919.66-6,133.30

Finding the Fourth Proportional to 19,280.14, 28,919.66 and 6,133.30

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Solution

The fourth proportional to 19,280.14, 28,919.66 and 6,133.30 is: 9,199.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,280.14 : 28,919.66 = 6,133.30 : x
  2. Step 2: Convert to fraction form
    19,280.14/28,919.66 = 6,133.30/x
  3. Step 3: Cross multiply
    19,280.14x = 28,919.66 × 6,133.30
  4. Step 4: Simplify right side
    19,280.14x = 177,372,950.68
  5. Step 5: Solve for x
    x = 177,372,950.68/19,280.14
  6. Step 6: Final answer
    x = 9,199.78

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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.