Home / 12,043.87-16,621.53-6,739.18

Finding the Fourth Proportional to 12,043.87, 16,621.53 and 6,739.18

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Solution

The fourth proportional to 12,043.87, 16,621.53 and 6,739.18 is: 9,300.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,043.87 : 16,621.53 = 6,739.18 : x
  2. Step 2: Convert to fraction form
    12,043.87/16,621.53 = 6,739.18/x
  3. Step 3: Cross multiply
    12,043.87x = 16,621.53 × 6,739.18
  4. Step 4: Simplify right side
    12,043.87x = 112,015,399.44
  5. Step 5: Solve for x
    x = 112,015,399.44/12,043.87
  6. Step 6: Final answer
    x = 9,300.62

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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.