Home / 10,690.86-16,027.64-4,455.56

Finding the Fourth Proportional to 10,690.86, 16,027.64 and 4,455.56

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Solution

The fourth proportional to 10,690.86, 16,027.64 and 4,455.56 is: 6,679.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,690.86 : 16,027.64 = 4,455.56 : x
  2. Step 2: Convert to fraction form
    10,690.86/16,027.64 = 4,455.56/x
  3. Step 3: Cross multiply
    10,690.86x = 16,027.64 × 4,455.56
  4. Step 4: Simplify right side
    10,690.86x = 71,412,111.68
  5. Step 5: Solve for x
    x = 71,412,111.68/10,690.86
  6. Step 6: Final answer
    x = 6,679.73

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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.