Home / 19,293.43-28,944.74-6,145.78

Finding the Fourth Proportional to 19,293.43, 28,944.74 and 6,145.78

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Solution

The fourth proportional to 19,293.43, 28,944.74 and 6,145.78 is: 9,220.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,293.43 : 28,944.74 = 6,145.78 : x
  2. Step 2: Convert to fraction form
    19,293.43/28,944.74 = 6,145.78/x
  3. Step 3: Cross multiply
    19,293.43x = 28,944.74 × 6,145.78
  4. Step 4: Simplify right side
    19,293.43x = 177,888,004.20
  5. Step 5: Solve for x
    x = 177,888,004.20/19,293.43
  6. Step 6: Final answer
    x = 9,220.13

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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.