Home / 14,150.40-19,527.96-8,181.54

Finding the Fourth Proportional to 14,150.40, 19,527.96 and 8,181.54

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Solution

The fourth proportional to 14,150.40, 19,527.96 and 8,181.54 is: 11,290.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,150.40 : 19,527.96 = 8,181.54 : x
  2. Step 2: Convert to fraction form
    14,150.40/19,527.96 = 8,181.54/x
  3. Step 3: Cross multiply
    14,150.40x = 19,527.96 × 8,181.54
  4. Step 4: Simplify right side
    14,150.40x = 159,768,785.86
  5. Step 5: Solve for x
    x = 159,768,785.86/14,150.40
  6. Step 6: Final answer
    x = 11,290.76

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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.