Home / 19,147.87-26,424.43-11,194.71

Finding the Fourth Proportional to 19,147.87, 26,424.43 and 11,194.71

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Solution

The fourth proportional to 19,147.87, 26,424.43 and 11,194.71 is: 15,448.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,147.87 : 26,424.43 = 11,194.71 : x
  2. Step 2: Convert to fraction form
    19,147.87/26,424.43 = 11,194.71/x
  3. Step 3: Cross multiply
    19,147.87x = 26,424.43 × 11,194.71
  4. Step 4: Simplify right side
    19,147.87x = 295,813,703.69
  5. Step 5: Solve for x
    x = 295,813,703.69/19,147.87
  6. Step 6: Final answer
    x = 15,448.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.