Home / 12,777.08-19,161.36-6,199.07

Finding the Fourth Proportional to 12,777.08, 19,161.36 and 6,199.07

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Solution

The fourth proportional to 12,777.08, 19,161.36 and 6,199.07 is: 9,296.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,777.08 : 19,161.36 = 6,199.07 : x
  2. Step 2: Convert to fraction form
    12,777.08/19,161.36 = 6,199.07/x
  3. Step 3: Cross multiply
    12,777.08x = 19,161.36 × 6,199.07
  4. Step 4: Simplify right side
    12,777.08x = 118,782,516.13
  5. Step 5: Solve for x
    x = 118,782,516.13/12,777.08
  6. Step 6: Final answer
    x = 9,296.53

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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.