Home / 14,217.96-21,317.82-5,903.72

Finding the Fourth Proportional to 14,217.96, 21,317.82 and 5,903.72

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Solution

The fourth proportional to 14,217.96, 21,317.82 and 5,903.72 is: 8,851.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,217.96 : 21,317.82 = 5,903.72 : x
  2. Step 2: Convert to fraction form
    14,217.96/21,317.82 = 5,903.72/x
  3. Step 3: Cross multiply
    14,217.96x = 21,317.82 × 5,903.72
  4. Step 4: Simplify right side
    14,217.96x = 125,854,311.56
  5. Step 5: Solve for x
    x = 125,854,311.56/14,217.96
  6. Step 6: Final answer
    x = 8,851.78

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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.