Home / 19,198.55-26,490.78-10,698.80

Finding the Fourth Proportional to 19,198.55, 26,490.78 and 10,698.80

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Solution

The fourth proportional to 19,198.55, 26,490.78 and 10,698.80 is: 14,762.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,198.55 : 26,490.78 = 10,698.80 : x
  2. Step 2: Convert to fraction form
    19,198.55/26,490.78 = 10,698.80/x
  3. Step 3: Cross multiply
    19,198.55x = 26,490.78 × 10,698.80
  4. Step 4: Simplify right side
    19,198.55x = 283,419,623.29
  5. Step 5: Solve for x
    x = 283,419,623.29/19,198.55
  6. Step 6: Final answer
    x = 14,762.56

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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.