Home / 23,081.40-31,858.86-13,653.24

Finding the Fourth Proportional to 23,081.40, 31,858.86 and 13,653.24

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Solution

The fourth proportional to 23,081.40, 31,858.86 and 13,653.24 is: 18,845.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,081.40 : 31,858.86 = 13,653.24 : x
  2. Step 2: Convert to fraction form
    23,081.40/31,858.86 = 13,653.24/x
  3. Step 3: Cross multiply
    23,081.40x = 31,858.86 × 13,653.24
  4. Step 4: Simplify right side
    23,081.40x = 434,976,661.71
  5. Step 5: Solve for x
    x = 434,976,661.71/23,081.40
  6. Step 6: Final answer
    x = 18,845.33

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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.