Home / 19,779.41-29,669.23-8,092.62

Finding the Fourth Proportional to 19,779.41, 29,669.23 and 8,092.62

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Solution

The fourth proportional to 19,779.41, 29,669.23 and 8,092.62 is: 12,138.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,779.41 : 29,669.23 = 8,092.62 : x
  2. Step 2: Convert to fraction form
    19,779.41/29,669.23 = 8,092.62/x
  3. Step 3: Cross multiply
    19,779.41x = 29,669.23 × 8,092.62
  4. Step 4: Simplify right side
    19,779.41x = 240,101,837.79
  5. Step 5: Solve for x
    x = 240,101,837.79/19,779.41
  6. Step 6: Final answer
    x = 12,138.98

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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.