Home / 11,745.03-16,208.01-6,439.83

Finding the Fourth Proportional to 11,745.03, 16,208.01 and 6,439.83

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Solution

The fourth proportional to 11,745.03, 16,208.01 and 6,439.83 is: 8,886.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,745.03 : 16,208.01 = 6,439.83 : x
  2. Step 2: Convert to fraction form
    11,745.03/16,208.01 = 6,439.83/x
  3. Step 3: Cross multiply
    11,745.03x = 16,208.01 × 6,439.83
  4. Step 4: Simplify right side
    11,745.03x = 104,376,829.04
  5. Step 5: Solve for x
    x = 104,376,829.04/11,745.03
  6. Step 6: Final answer
    x = 8,886.89

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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.