Home / 9,186.99-13,779.74-2,945.33

Finding the Fourth Proportional to 9,186.99, 13,779.74 and 2,945.33

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Solution

The fourth proportional to 9,186.99, 13,779.74 and 2,945.33 is: 4,417.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,186.99 : 13,779.74 = 2,945.33 : x
  2. Step 2: Convert to fraction form
    9,186.99/13,779.74 = 2,945.33/x
  3. Step 3: Cross multiply
    9,186.99x = 13,779.74 × 2,945.33
  4. Step 4: Simplify right side
    9,186.99x = 40,585,812.72
  5. Step 5: Solve for x
    x = 40,585,812.72/9,186.99
  6. Step 6: Final answer
    x = 4,417.75

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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.