Home / 12,650.07-18,976.32-5,254.37

Finding the Fourth Proportional to 12,650.07, 18,976.32 and 5,254.37

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Solution

The fourth proportional to 12,650.07, 18,976.32 and 5,254.37 is: 7,882.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,650.07 : 18,976.32 = 5,254.37 : x
  2. Step 2: Convert to fraction form
    12,650.07/18,976.32 = 5,254.37/x
  3. Step 3: Cross multiply
    12,650.07x = 18,976.32 × 5,254.37
  4. Step 4: Simplify right side
    12,650.07x = 99,708,606.52
  5. Step 5: Solve for x
    x = 99,708,606.52/12,650.07
  6. Step 6: Final answer
    x = 7,882.06

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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.