Home / 20,514.36-30,659.09-14,979.36

Finding the Fourth Proportional to 20,514.36, 30,659.09 and 14,979.36

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Solution

The fourth proportional to 20,514.36, 30,659.09 and 14,979.36 is: 22,386.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,514.36 : 30,659.09 = 14,979.36 : x
  2. Step 2: Convert to fraction form
    20,514.36/30,659.09 = 14,979.36/x
  3. Step 3: Cross multiply
    20,514.36x = 30,659.09 × 14,979.36
  4. Step 4: Simplify right side
    20,514.36x = 459,253,471.49
  5. Step 5: Solve for x
    x = 459,253,471.49/20,514.36
  6. Step 6: Final answer
    x = 22,386.93

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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.