Home / 11,408.79-17,117.43-6,975.54

Finding the Fourth Proportional to 11,408.79, 17,117.43 and 6,975.54

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Solution

The fourth proportional to 11,408.79, 17,117.43 and 6,975.54 is: 10,465.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,408.79 : 17,117.43 = 6,975.54 : x
  2. Step 2: Convert to fraction form
    11,408.79/17,117.43 = 6,975.54/x
  3. Step 3: Cross multiply
    11,408.79x = 17,117.43 × 6,975.54
  4. Step 4: Simplify right side
    11,408.79x = 119,403,317.66
  5. Step 5: Solve for x
    x = 119,403,317.66/11,408.79
  6. Step 6: Final answer
    x = 10,465.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.