Home / 13,939.02-20,893.86-6,537.60

Finding the Fourth Proportional to 13,939.02, 20,893.86 and 6,537.60

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Solution

The fourth proportional to 13,939.02, 20,893.86 and 6,537.60 is: 9,799.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,939.02 : 20,893.86 = 6,537.60 : x
  2. Step 2: Convert to fraction form
    13,939.02/20,893.86 = 6,537.60/x
  3. Step 3: Cross multiply
    13,939.02x = 20,893.86 × 6,537.60
  4. Step 4: Simplify right side
    13,939.02x = 136,595,699.14
  5. Step 5: Solve for x
    x = 136,595,699.14/13,939.02
  6. Step 6: Final answer
    x = 9,799.52

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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.