Home / 19,078.09-26,322.33-11,118.79

Finding the Fourth Proportional to 19,078.09, 26,322.33 and 11,118.79

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Solution

The fourth proportional to 19,078.09, 26,322.33 and 11,118.79 is: 15,340.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,078.09 : 26,322.33 = 11,118.79 : x
  2. Step 2: Convert to fraction form
    19,078.09/26,322.33 = 11,118.79/x
  3. Step 3: Cross multiply
    19,078.09x = 26,322.33 × 11,118.79
  4. Step 4: Simplify right side
    19,078.09x = 292,672,459.58
  5. Step 5: Solve for x
    x = 292,672,459.58/19,078.09
  6. Step 6: Final answer
    x = 15,340.76

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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.