Home / 13,831.99-19,087.49-8,463.35

Finding the Fourth Proportional to 13,831.99, 19,087.49 and 8,463.35

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Solution

The fourth proportional to 13,831.99, 19,087.49 and 8,463.35 is: 11,679.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,831.99 : 19,087.49 = 8,463.35 : x
  2. Step 2: Convert to fraction form
    13,831.99/19,087.49 = 8,463.35/x
  3. Step 3: Cross multiply
    13,831.99x = 19,087.49 × 8,463.35
  4. Step 4: Simplify right side
    13,831.99x = 161,544,177.37
  5. Step 5: Solve for x
    x = 161,544,177.37/13,831.99
  6. Step 6: Final answer
    x = 11,679.03

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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.