Home / 13,435.49-18,492.03-11,831.63

Finding the Fourth Proportional to 13,435.49, 18,492.03 and 11,831.63

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Solution

The fourth proportional to 13,435.49, 18,492.03 and 11,831.63 is: 16,284.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,435.49 : 18,492.03 = 11,831.63 : x
  2. Step 2: Convert to fraction form
    13,435.49/18,492.03 = 11,831.63/x
  3. Step 3: Cross multiply
    13,435.49x = 18,492.03 × 11,831.63
  4. Step 4: Simplify right side
    13,435.49x = 218,790,903.14
  5. Step 5: Solve for x
    x = 218,790,903.14/13,435.49
  6. Step 6: Final answer
    x = 16,284.56

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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.