Home / 19,292.44-28,940.78-6,140.20

Finding the Fourth Proportional to 19,292.44, 28,940.78 and 6,140.20

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Solution

The fourth proportional to 19,292.44, 28,940.78 and 6,140.20 is: 9,210.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,292.44 : 28,940.78 = 6,140.20 : x
  2. Step 2: Convert to fraction form
    19,292.44/28,940.78 = 6,140.20/x
  3. Step 3: Cross multiply
    19,292.44x = 28,940.78 × 6,140.20
  4. Step 4: Simplify right side
    19,292.44x = 177,702,177.36
  5. Step 5: Solve for x
    x = 177,702,177.36/19,292.44
  6. Step 6: Final answer
    x = 9,210.97

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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.