Home / 9,447.77-13,037.99-5,198.72

Finding the Fourth Proportional to 9,447.77, 13,037.99 and 5,198.72

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Solution

The fourth proportional to 9,447.77, 13,037.99 and 5,198.72 is: 7,174.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,447.77 : 13,037.99 = 5,198.72 : x
  2. Step 2: Convert to fraction form
    9,447.77/13,037.99 = 5,198.72/x
  3. Step 3: Cross multiply
    9,447.77x = 13,037.99 × 5,198.72
  4. Step 4: Simplify right side
    9,447.77x = 67,780,768.19
  5. Step 5: Solve for x
    x = 67,780,768.19/9,447.77
  6. Step 6: Final answer
    x = 7,174.26

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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.