Home / 19,486.36-26,884.80-11,924.81

Finding the Fourth Proportional to 19,486.36, 26,884.80 and 11,924.81

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Solution

The fourth proportional to 19,486.36, 26,884.80 and 11,924.81 is: 16,452.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,486.36 : 26,884.80 = 11,924.81 : x
  2. Step 2: Convert to fraction form
    19,486.36/26,884.80 = 11,924.81/x
  3. Step 3: Cross multiply
    19,486.36x = 26,884.80 × 11,924.81
  4. Step 4: Simplify right side
    19,486.36x = 320,595,997.46
  5. Step 5: Solve for x
    x = 320,595,997.46/19,486.36
  6. Step 6: Final answer
    x = 16,452.33

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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.