Home / 9,447.10-13,037.29-5,198.31

Finding the Fourth Proportional to 9,447.10, 13,037.29 and 5,198.31

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Solution

The fourth proportional to 9,447.10, 13,037.29 and 5,198.31 is: 7,173.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,447.10 : 13,037.29 = 5,198.31 : x
  2. Step 2: Convert to fraction form
    9,447.10/13,037.29 = 5,198.31/x
  3. Step 3: Cross multiply
    9,447.10x = 13,037.29 × 5,198.31
  4. Step 4: Simplify right side
    9,447.10x = 67,771,861.98
  5. Step 5: Solve for x
    x = 67,771,861.98/9,447.10
  6. Step 6: Final answer
    x = 7,173.83

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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.