Home / 15,465.75-23,198.43-3,779.07

Finding the Fourth Proportional to 15,465.75, 23,198.43 and 3,779.07

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Solution

The fourth proportional to 15,465.75, 23,198.43 and 3,779.07 is: 5,668.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,465.75 : 23,198.43 = 3,779.07 : x
  2. Step 2: Convert to fraction form
    15,465.75/23,198.43 = 3,779.07/x
  3. Step 3: Cross multiply
    15,465.75x = 23,198.43 × 3,779.07
  4. Step 4: Simplify right side
    15,465.75x = 87,668,490.86
  5. Step 5: Solve for x
    x = 87,668,490.86/15,465.75
  6. Step 6: Final answer
    x = 5,668.56

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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.