Home / 14,153.54-19,537.20-8,190.32

Finding the Fourth Proportional to 14,153.54, 19,537.20 and 8,190.32

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Solution

The fourth proportional to 14,153.54, 19,537.20 and 8,190.32 is: 11,305.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,153.54 : 19,537.20 = 8,190.32 : x
  2. Step 2: Convert to fraction form
    14,153.54/19,537.20 = 8,190.32/x
  3. Step 3: Cross multiply
    14,153.54x = 19,537.20 × 8,190.32
  4. Step 4: Simplify right side
    14,153.54x = 160,015,822.22
  5. Step 5: Solve for x
    x = 160,015,822.22/14,153.54
  6. Step 6: Final answer
    x = 11,305.71

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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.