Home / 8,739.64-13,107.16-5,965.80

Finding the Fourth Proportional to 8,739.64, 13,107.16 and 5,965.80

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Solution

The fourth proportional to 8,739.64, 13,107.16 and 5,965.80 is: 8,947.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,739.64 : 13,107.16 = 5,965.80 : x
  2. Step 2: Convert to fraction form
    8,739.64/13,107.16 = 5,965.80/x
  3. Step 3: Cross multiply
    8,739.64x = 13,107.16 × 5,965.80
  4. Step 4: Simplify right side
    8,739.64x = 78,194,695.13
  5. Step 5: Solve for x
    x = 78,194,695.13/8,739.64
  6. Step 6: Final answer
    x = 8,947.13

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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.