Home / 12,887.37-19,330.92-5,869.80

Finding the Fourth Proportional to 12,887.37, 19,330.92 and 5,869.80

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Solution

The fourth proportional to 12,887.37, 19,330.92 and 5,869.80 is: 8,804.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,887.37 : 19,330.92 = 5,869.80 : x
  2. Step 2: Convert to fraction form
    12,887.37/19,330.92 = 5,869.80/x
  3. Step 3: Cross multiply
    12,887.37x = 19,330.92 × 5,869.80
  4. Step 4: Simplify right side
    12,887.37x = 113,468,634.22
  5. Step 5: Solve for x
    x = 113,468,634.22/12,887.37
  6. Step 6: Final answer
    x = 8,804.64

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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.