Home / 14,771.68-20,394.54-11,408.56

Finding the Fourth Proportional to 14,771.68, 20,394.54 and 11,408.56

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Solution

The fourth proportional to 14,771.68, 20,394.54 and 11,408.56 is: 15,751.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,771.68 : 20,394.54 = 11,408.56 : x
  2. Step 2: Convert to fraction form
    14,771.68/20,394.54 = 11,408.56/x
  3. Step 3: Cross multiply
    14,771.68x = 20,394.54 × 11,408.56
  4. Step 4: Simplify right side
    14,771.68x = 232,672,333.26
  5. Step 5: Solve for x
    x = 232,672,333.26/14,771.68
  6. Step 6: Final answer
    x = 15,751.24

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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.