Home / 13,831.44-19,087.32-7,543.80

Finding the Fourth Proportional to 13,831.44, 19,087.32 and 7,543.80

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Solution

The fourth proportional to 13,831.44, 19,087.32 and 7,543.80 is: 10,410.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,831.44 : 19,087.32 = 7,543.80 : x
  2. Step 2: Convert to fraction form
    13,831.44/19,087.32 = 7,543.80/x
  3. Step 3: Cross multiply
    13,831.44x = 19,087.32 × 7,543.80
  4. Step 4: Simplify right side
    13,831.44x = 143,990,924.62
  5. Step 5: Solve for x
    x = 143,990,924.62/13,831.44
  6. Step 6: Final answer
    x = 10,410.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.