Home / 16,779.60-25,147.80-10,198.80

Finding the Fourth Proportional to 16,779.60, 25,147.80 and 10,198.80

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Solution

The fourth proportional to 16,779.60, 25,147.80 and 10,198.80 is: 15,285.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,779.60 : 25,147.80 = 10,198.80 : x
  2. Step 2: Convert to fraction form
    16,779.60/25,147.80 = 10,198.80/x
  3. Step 3: Cross multiply
    16,779.60x = 25,147.80 × 10,198.80
  4. Step 4: Simplify right side
    16,779.60x = 256,477,382.64
  5. Step 5: Solve for x
    x = 256,477,382.64/16,779.60
  6. Step 6: Final answer
    x = 15,285.07

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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.