Home / 23,173.77-31,981.65-13,104.33

Finding the Fourth Proportional to 23,173.77, 31,981.65 and 13,104.33

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Solution

The fourth proportional to 23,173.77, 31,981.65 and 13,104.33 is: 18,085.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,173.77 : 31,981.65 = 13,104.33 : x
  2. Step 2: Convert to fraction form
    23,173.77/31,981.65 = 13,104.33/x
  3. Step 3: Cross multiply
    23,173.77x = 31,981.65 × 13,104.33
  4. Step 4: Simplify right side
    23,173.77x = 419,098,095.54
  5. Step 5: Solve for x
    x = 419,098,095.54/23,173.77
  6. Step 6: Final answer
    x = 18,085.02

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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.