Home / 9,184.88-13,779.42-7,317.80

Finding the Fourth Proportional to 9,184.88, 13,779.42 and 7,317.80

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Solution

The fourth proportional to 9,184.88, 13,779.42 and 7,317.80 is: 10,978.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,184.88 : 13,779.42 = 7,317.80 : x
  2. Step 2: Convert to fraction form
    9,184.88/13,779.42 = 7,317.80/x
  3. Step 3: Cross multiply
    9,184.88x = 13,779.42 × 7,317.80
  4. Step 4: Simplify right side
    9,184.88x = 100,835,039.68
  5. Step 5: Solve for x
    x = 100,835,039.68/9,184.88
  6. Step 6: Final answer
    x = 10,978.37

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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.