Home / 19,408.30-29,118.60-6,928.05

Finding the Fourth Proportional to 19,408.30, 29,118.60 and 6,928.05

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Solution

The fourth proportional to 19,408.30, 29,118.60 and 6,928.05 is: 10,394.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,408.30 : 29,118.60 = 6,928.05 : x
  2. Step 2: Convert to fraction form
    19,408.30/29,118.60 = 6,928.05/x
  3. Step 3: Cross multiply
    19,408.30x = 29,118.60 × 6,928.05
  4. Step 4: Simplify right side
    19,408.30x = 201,735,225.92
  5. Step 5: Solve for x
    x = 201,735,225.92/19,408.30
  6. Step 6: Final answer
    x = 10,394.28

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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.