Home / 10,956.66-16,438.46-3,931.86

Finding the Fourth Proportional to 10,956.66, 16,438.46 and 3,931.86

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Solution

The fourth proportional to 10,956.66, 16,438.46 and 3,931.86 is: 5,899.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,956.66 : 16,438.46 = 3,931.86 : x
  2. Step 2: Convert to fraction form
    10,956.66/16,438.46 = 3,931.86/x
  3. Step 3: Cross multiply
    10,956.66x = 16,438.46 × 3,931.86
  4. Step 4: Simplify right side
    10,956.66x = 64,633,703.68
  5. Step 5: Solve for x
    x = 64,633,703.68/10,956.66
  6. Step 6: Final answer
    x = 5,899.03

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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.