Home / 16,779.93-25,140.74-8,974.77

Finding the Fourth Proportional to 16,779.93, 25,140.74 and 8,974.77

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Solution

The fourth proportional to 16,779.93, 25,140.74 and 8,974.77 is: 13,446.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,779.93 : 25,140.74 = 8,974.77 : x
  2. Step 2: Convert to fraction form
    16,779.93/25,140.74 = 8,974.77/x
  3. Step 3: Cross multiply
    16,779.93x = 25,140.74 × 8,974.77
  4. Step 4: Simplify right side
    16,779.93x = 225,632,314.26
  5. Step 5: Solve for x
    x = 225,632,314.26/16,779.93
  6. Step 6: Final answer
    x = 13,446.56

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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.