Home / 11,745.02-16,208.36-6,439.52

Finding the Fourth Proportional to 11,745.02, 16,208.36 and 6,439.52

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Solution

The fourth proportional to 11,745.02, 16,208.36 and 6,439.52 is: 8,886.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,745.02 : 16,208.36 = 6,439.52 : x
  2. Step 2: Convert to fraction form
    11,745.02/16,208.36 = 6,439.52/x
  3. Step 3: Cross multiply
    11,745.02x = 16,208.36 × 6,439.52
  4. Step 4: Simplify right side
    11,745.02x = 104,373,945.15
  5. Step 5: Solve for x
    x = 104,373,945.15/11,745.02
  6. Step 6: Final answer
    x = 8,886.66

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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.