Home / 9,771.12-14,648.40-3,195.36

Finding the Fourth Proportional to 9,771.12, 14,648.40 and 3,195.36

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Solution

The fourth proportional to 9,771.12, 14,648.40 and 3,195.36 is: 4,790.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,771.12 : 14,648.40 = 3,195.36 : x
  2. Step 2: Convert to fraction form
    9,771.12/14,648.40 = 3,195.36/x
  3. Step 3: Cross multiply
    9,771.12x = 14,648.40 × 3,195.36
  4. Step 4: Simplify right side
    9,771.12x = 46,806,911.42
  5. Step 5: Solve for x
    x = 46,806,911.42/9,771.12
  6. Step 6: Final answer
    x = 4,790.33

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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.