Home / 10,226.53-14,108.21-6,446.71

Finding the Fourth Proportional to 10,226.53, 14,108.21 and 6,446.71

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Solution

The fourth proportional to 10,226.53, 14,108.21 and 6,446.71 is: 8,893.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,226.53 : 14,108.21 = 6,446.71 : x
  2. Step 2: Convert to fraction form
    10,226.53/14,108.21 = 6,446.71/x
  3. Step 3: Cross multiply
    10,226.53x = 14,108.21 × 6,446.71
  4. Step 4: Simplify right side
    10,226.53x = 90,951,506.26
  5. Step 5: Solve for x
    x = 90,951,506.26/10,226.53
  6. Step 6: Final answer
    x = 8,893.68

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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.