Home / 14,392.80-19,718.21-13,853.48

Finding the Fourth Proportional to 14,392.80, 19,718.21 and 13,853.48

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Solution

The fourth proportional to 14,392.80, 19,718.21 and 13,853.48 is: 18,979.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,392.80 : 19,718.21 = 13,853.48 : x
  2. Step 2: Convert to fraction form
    14,392.80/19,718.21 = 13,853.48/x
  3. Step 3: Cross multiply
    14,392.80x = 19,718.21 × 13,853.48
  4. Step 4: Simplify right side
    14,392.80x = 273,165,660.01
  5. Step 5: Solve for x
    x = 273,165,660.01/14,392.80
  6. Step 6: Final answer
    x = 18,979.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.