Home / 11,185.60-16,779.09-4,609.57

Finding the Fourth Proportional to 11,185.60, 16,779.09 and 4,609.57

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Solution

The fourth proportional to 11,185.60, 16,779.09 and 4,609.57 is: 6,914.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,185.60 : 16,779.09 = 4,609.57 : x
  2. Step 2: Convert to fraction form
    11,185.60/16,779.09 = 4,609.57/x
  3. Step 3: Cross multiply
    11,185.60x = 16,779.09 × 4,609.57
  4. Step 4: Simplify right side
    11,185.60x = 77,344,389.89
  5. Step 5: Solve for x
    x = 77,344,389.89/11,185.60
  6. Step 6: Final answer
    x = 6,914.64

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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.