Home / 14,485.02-19,990.44-8,198.34

Finding the Fourth Proportional to 14,485.02, 19,990.44 and 8,198.34

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Solution

The fourth proportional to 14,485.02, 19,990.44 and 8,198.34 is: 11,314.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,485.02 : 19,990.44 = 8,198.34 : x
  2. Step 2: Convert to fraction form
    14,485.02/19,990.44 = 8,198.34/x
  3. Step 3: Cross multiply
    14,485.02x = 19,990.44 × 8,198.34
  4. Step 4: Simplify right side
    14,485.02x = 163,888,423.87
  5. Step 5: Solve for x
    x = 163,888,423.87/14,485.02
  6. Step 6: Final answer
    x = 11,314.34

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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.