Home / 19,412.36-26,788.91-11,028.86

Finding the Fourth Proportional to 19,412.36, 26,788.91 and 11,028.86

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Solution

The fourth proportional to 19,412.36, 26,788.91 and 11,028.86 is: 15,219.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,412.36 : 26,788.91 = 11,028.86 : x
  2. Step 2: Convert to fraction form
    19,412.36/26,788.91 = 11,028.86/x
  3. Step 3: Cross multiply
    19,412.36x = 26,788.91 × 11,028.86
  4. Step 4: Simplify right side
    19,412.36x = 295,451,031.57
  5. Step 5: Solve for x
    x = 295,451,031.57/19,412.36
  6. Step 6: Final answer
    x = 15,219.74

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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.