Home / 13,831.38-19,081.13-8,524.26

Finding the Fourth Proportional to 13,831.38, 19,081.13 and 8,524.26

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Solution

The fourth proportional to 13,831.38, 19,081.13 and 8,524.26 is: 11,759.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,831.38 : 19,081.13 = 8,524.26 : x
  2. Step 2: Convert to fraction form
    13,831.38/19,081.13 = 8,524.26/x
  3. Step 3: Cross multiply
    13,831.38x = 19,081.13 × 8,524.26
  4. Step 4: Simplify right side
    13,831.38x = 162,652,513.21
  5. Step 5: Solve for x
    x = 162,652,513.21/13,831.38
  6. Step 6: Final answer
    x = 11,759.67

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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.