Home / 15,504.06-23,136.32-13,842.78

Finding the Fourth Proportional to 15,504.06, 23,136.32 and 13,842.78

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Solution

The fourth proportional to 15,504.06, 23,136.32 and 13,842.78 is: 20,657.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,504.06 : 23,136.32 = 13,842.78 : x
  2. Step 2: Convert to fraction form
    15,504.06/23,136.32 = 13,842.78/x
  3. Step 3: Cross multiply
    15,504.06x = 23,136.32 × 13,842.78
  4. Step 4: Simplify right side
    15,504.06x = 320,270,918.56
  5. Step 5: Solve for x
    x = 320,270,918.56/15,504.06
  6. Step 6: Final answer
    x = 20,657.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.