Home / 23,971.63-33,081-13,361.95

Finding the Fourth Proportional to 23,971.63, 33,081 and 13,361.95

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Solution

The fourth proportional to 23,971.63, 33,081 and 13,361.95 is: 18,439.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,971.63 : 33,081 = 13,361.95 : x
  2. Step 2: Convert to fraction form
    23,971.63/33,081 = 13,361.95/x
  3. Step 3: Cross multiply
    23,971.63x = 33,081 × 13,361.95
  4. Step 4: Simplify right side
    23,971.63x = 442,026,667.95
  5. Step 5: Solve for x
    x = 442,026,667.95/23,971.63
  6. Step 6: Final answer
    x = 18,439.57

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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.