Home / 13,925.12-20,879.34-4,433.34

Finding the Fourth Proportional to 13,925.12, 20,879.34 and 4,433.34

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Solution

The fourth proportional to 13,925.12, 20,879.34 and 4,433.34 is: 6,647.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,925.12 : 20,879.34 = 4,433.34 : x
  2. Step 2: Convert to fraction form
    13,925.12/20,879.34 = 4,433.34/x
  3. Step 3: Cross multiply
    13,925.12x = 20,879.34 × 4,433.34
  4. Step 4: Simplify right side
    13,925.12x = 92,565,261.55
  5. Step 5: Solve for x
    x = 92,565,261.55/13,925.12
  6. Step 6: Final answer
    x = 6,647.36

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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.