Home / 19,408.43-29,118.79-6,928.18

Finding the Fourth Proportional to 19,408.43, 29,118.79 and 6,928.18

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Solution

The fourth proportional to 19,408.43, 29,118.79 and 6,928.18 is: 10,394.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,408.43 : 29,118.79 = 6,928.18 : x
  2. Step 2: Convert to fraction form
    19,408.43/29,118.79 = 6,928.18/x
  3. Step 3: Cross multiply
    19,408.43x = 29,118.79 × 6,928.18
  4. Step 4: Simplify right side
    19,408.43x = 201,740,218.50
  5. Step 5: Solve for x
    x = 201,740,218.50/19,408.43
  6. Step 6: Final answer
    x = 10,394.46

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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.