Home / 11,779.89-16,270.67-8,808.94

Finding the Fourth Proportional to 11,779.89, 16,270.67 and 8,808.94

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Solution

The fourth proportional to 11,779.89, 16,270.67 and 8,808.94 is: 12,167.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,779.89 : 16,270.67 = 8,808.94 : x
  2. Step 2: Convert to fraction form
    11,779.89/16,270.67 = 8,808.94/x
  3. Step 3: Cross multiply
    11,779.89x = 16,270.67 × 8,808.94
  4. Step 4: Simplify right side
    11,779.89x = 143,327,355.79
  5. Step 5: Solve for x
    x = 143,327,355.79/11,779.89
  6. Step 6: Final answer
    x = 12,167.12

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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.