Home / 22,370.09-30,857.83-13,412.36

Finding the Fourth Proportional to 22,370.09, 30,857.83 and 13,412.36

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Solution

The fourth proportional to 22,370.09, 30,857.83 and 13,412.36 is: 18,501.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,370.09 : 30,857.83 = 13,412.36 : x
  2. Step 2: Convert to fraction form
    22,370.09/30,857.83 = 13,412.36/x
  3. Step 3: Cross multiply
    22,370.09x = 30,857.83 × 13,412.36
  4. Step 4: Simplify right side
    22,370.09x = 413,876,368.39
  5. Step 5: Solve for x
    x = 413,876,368.39/22,370.09
  6. Step 6: Final answer
    x = 18,501.33

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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.