Home / 19,408.14-26,779.68-10,910.43

Finding the Fourth Proportional to 19,408.14, 26,779.68 and 10,910.43

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Solution

The fourth proportional to 19,408.14, 26,779.68 and 10,910.43 is: 15,054.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,408.14 : 26,779.68 = 10,910.43 : x
  2. Step 2: Convert to fraction form
    19,408.14/26,779.68 = 10,910.43/x
  3. Step 3: Cross multiply
    19,408.14x = 26,779.68 × 10,910.43
  4. Step 4: Simplify right side
    19,408.14x = 292,177,824.06
  5. Step 5: Solve for x
    x = 292,177,824.06/19,408.14
  6. Step 6: Final answer
    x = 15,054.40

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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.