Home / 11,993.21-17,989.93-4,595.91

Finding the Fourth Proportional to 11,993.21, 17,989.93 and 4,595.91

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Solution

The fourth proportional to 11,993.21, 17,989.93 and 4,595.91 is: 6,893.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,993.21 : 17,989.93 = 4,595.91 : x
  2. Step 2: Convert to fraction form
    11,993.21/17,989.93 = 4,595.91/x
  3. Step 3: Cross multiply
    11,993.21x = 17,989.93 × 4,595.91
  4. Step 4: Simplify right side
    11,993.21x = 82,680,037.47
  5. Step 5: Solve for x
    x = 82,680,037.47/11,993.21
  6. Step 6: Final answer
    x = 6,893.90

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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.