Home / 19,885.07-29,827.60-8,197.98

Finding the Fourth Proportional to 19,885.07, 29,827.60 and 8,197.98

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Solution

The fourth proportional to 19,885.07, 29,827.60 and 8,197.98 is: 12,296.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,885.07 : 29,827.60 = 8,197.98 : x
  2. Step 2: Convert to fraction form
    19,885.07/29,827.60 = 8,197.98/x
  3. Step 3: Cross multiply
    19,885.07x = 29,827.60 × 8,197.98
  4. Step 4: Simplify right side
    19,885.07x = 244,526,047.75
  5. Step 5: Solve for x
    x = 244,526,047.75/19,885.07
  6. Step 6: Final answer
    x = 12,296.97

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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.