Home / 18,922.75-26,114.21-10,539.25

Finding the Fourth Proportional to 18,922.75, 26,114.21 and 10,539.25

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Solution

The fourth proportional to 18,922.75, 26,114.21 and 10,539.25 is: 14,544.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,922.75 : 26,114.21 = 10,539.25 : x
  2. Step 2: Convert to fraction form
    18,922.75/26,114.21 = 10,539.25/x
  3. Step 3: Cross multiply
    18,922.75x = 26,114.21 × 10,539.25
  4. Step 4: Simplify right side
    18,922.75x = 275,224,187.74
  5. Step 5: Solve for x
    x = 275,224,187.74/18,922.75
  6. Step 6: Final answer
    x = 14,544.62

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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.