Home / 13,295.93-19,786.97-12,853.00

Finding the Fourth Proportional to 13,295.93, 19,786.97 and 12,853.00

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Solution

The fourth proportional to 13,295.93, 19,786.97 and 12,853.00 is: 19,127.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,295.93 : 19,786.97 = 12,853.00 : x
  2. Step 2: Convert to fraction form
    13,295.93/19,786.97 = 12,853.00/x
  3. Step 3: Cross multiply
    13,295.93x = 19,786.97 × 12,853.00
  4. Step 4: Simplify right side
    13,295.93x = 254,321,811.68
  5. Step 5: Solve for x
    x = 254,321,811.68/13,295.93
  6. Step 6: Final answer
    x = 19,127.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.