Home / 12,976.27-19,464.41-9,285.71

Finding the Fourth Proportional to 12,976.27, 19,464.41 and 9,285.71

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Solution

The fourth proportional to 12,976.27, 19,464.41 and 9,285.71 is: 13,928.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,976.27 : 19,464.41 = 9,285.71 : x
  2. Step 2: Convert to fraction form
    12,976.27/19,464.41 = 9,285.71/x
  3. Step 3: Cross multiply
    12,976.27x = 19,464.41 × 9,285.71
  4. Step 4: Simplify right side
    12,976.27x = 180,740,792.47
  5. Step 5: Solve for x
    x = 180,740,792.47/12,976.27
  6. Step 6: Final answer
    x = 13,928.57

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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.