Home / 13,739.08-20,607.54-3,877.96

Finding the Fourth Proportional to 13,739.08, 20,607.54 and 3,877.96

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Solution

The fourth proportional to 13,739.08, 20,607.54 and 3,877.96 is: 5,816.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,739.08 : 20,607.54 = 3,877.96 : x
  2. Step 2: Convert to fraction form
    13,739.08/20,607.54 = 3,877.96/x
  3. Step 3: Cross multiply
    13,739.08x = 20,607.54 × 3,877.96
  4. Step 4: Simplify right side
    13,739.08x = 79,915,215.82
  5. Step 5: Solve for x
    x = 79,915,215.82/13,739.08
  6. Step 6: Final answer
    x = 5,816.64

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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.