Home / 14,485.42-19,992.38-8,197.80

Finding the Fourth Proportional to 14,485.42, 19,992.38 and 8,197.80

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Solution

The fourth proportional to 14,485.42, 19,992.38 and 8,197.80 is: 11,314.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,485.42 : 19,992.38 = 8,197.80 : x
  2. Step 2: Convert to fraction form
    14,485.42/19,992.38 = 8,197.80/x
  3. Step 3: Cross multiply
    14,485.42x = 19,992.38 × 8,197.80
  4. Step 4: Simplify right side
    14,485.42x = 163,893,532.76
  5. Step 5: Solve for x
    x = 163,893,532.76/14,485.42
  6. Step 6: Final answer
    x = 11,314.38

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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.