Home / 12,448.14-18,677.64-4,129.26

Finding the Fourth Proportional to 12,448.14, 18,677.64 and 4,129.26

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Solution

The fourth proportional to 12,448.14, 18,677.64 and 4,129.26 is: 6,195.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,448.14 : 18,677.64 = 4,129.26 : x
  2. Step 2: Convert to fraction form
    12,448.14/18,677.64 = 4,129.26/x
  3. Step 3: Cross multiply
    12,448.14x = 18,677.64 × 4,129.26
  4. Step 4: Simplify right side
    12,448.14x = 77,124,831.75
  5. Step 5: Solve for x
    x = 77,124,831.75/12,448.14
  6. Step 6: Final answer
    x = 6,195.69

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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.