Home / 13,166.64-19,739.70-6,589.44

Finding the Fourth Proportional to 13,166.64, 19,739.70 and 6,589.44

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Solution

The fourth proportional to 13,166.64, 19,739.70 and 6,589.44 is: 9,879.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,166.64 : 19,739.70 = 6,589.44 : x
  2. Step 2: Convert to fraction form
    13,166.64/19,739.70 = 6,589.44/x
  3. Step 3: Cross multiply
    13,166.64x = 19,739.70 × 6,589.44
  4. Step 4: Simplify right side
    13,166.64x = 130,073,568.77
  5. Step 5: Solve for x
    x = 130,073,568.77/13,166.64
  6. Step 6: Final answer
    x = 9,879.03

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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.