Home / 14,021.27-19,346.94-8,355.32

Finding the Fourth Proportional to 14,021.27, 19,346.94 and 8,355.32

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Solution

The fourth proportional to 14,021.27, 19,346.94 and 8,355.32 is: 11,528.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,021.27 : 19,346.94 = 8,355.32 : x
  2. Step 2: Convert to fraction form
    14,021.27/19,346.94 = 8,355.32/x
  3. Step 3: Cross multiply
    14,021.27x = 19,346.94 × 8,355.32
  4. Step 4: Simplify right side
    14,021.27x = 161,649,874.72
  5. Step 5: Solve for x
    x = 161,649,874.72/14,021.27
  6. Step 6: Final answer
    x = 11,528.90

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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.