Home / 14,485.04-19,990.44-8,198.36

Finding the Fourth Proportional to 14,485.04, 19,990.44 and 8,198.36

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Solution

The fourth proportional to 14,485.04, 19,990.44 and 8,198.36 is: 11,314.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,485.04 : 19,990.44 = 8,198.36 : x
  2. Step 2: Convert to fraction form
    14,485.04/19,990.44 = 8,198.36/x
  3. Step 3: Cross multiply
    14,485.04x = 19,990.44 × 8,198.36
  4. Step 4: Simplify right side
    14,485.04x = 163,888,823.68
  5. Step 5: Solve for x
    x = 163,888,823.68/14,485.04
  6. Step 6: Final answer
    x = 11,314.35

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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.