Home / 9,195.90-13,779.45-7,727.10

Finding the Fourth Proportional to 9,195.90, 13,779.45 and 7,727.10

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Solution

The fourth proportional to 9,195.90, 13,779.45 and 7,727.10 is: 11,578.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,195.90 : 13,779.45 = 7,727.10 : x
  2. Step 2: Convert to fraction form
    9,195.90/13,779.45 = 7,727.10/x
  3. Step 3: Cross multiply
    9,195.90x = 13,779.45 × 7,727.10
  4. Step 4: Simplify right side
    9,195.90x = 106,475,188.10
  5. Step 5: Solve for x
    x = 106,475,188.10/9,195.90
  6. Step 6: Final answer
    x = 11,578.55

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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.