Home / 11,779.50-16,239.90-10,093.62

Finding the Fourth Proportional to 11,779.50, 16,239.90 and 10,093.62

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Solution

The fourth proportional to 11,779.50, 16,239.90 and 10,093.62 is: 13,915.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,779.50 : 16,239.90 = 10,093.62 : x
  2. Step 2: Convert to fraction form
    11,779.50/16,239.90 = 10,093.62/x
  3. Step 3: Cross multiply
    11,779.50x = 16,239.90 × 10,093.62
  4. Step 4: Simplify right side
    11,779.50x = 163,919,379.44
  5. Step 5: Solve for x
    x = 163,919,379.44/11,779.50
  6. Step 6: Final answer
    x = 13,915.65

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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.