Home / 20,074.53-27,703.05-11,122.16

Finding the Fourth Proportional to 20,074.53, 27,703.05 and 11,122.16

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Solution

The fourth proportional to 20,074.53, 27,703.05 and 11,122.16 is: 15,348.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,074.53 : 27,703.05 = 11,122.16 : x
  2. Step 2: Convert to fraction form
    20,074.53/27,703.05 = 11,122.16/x
  3. Step 3: Cross multiply
    20,074.53x = 27,703.05 × 11,122.16
  4. Step 4: Simplify right side
    20,074.53x = 308,117,616.07
  5. Step 5: Solve for x
    x = 308,117,616.07/20,074.53
  6. Step 6: Final answer
    x = 15,348.68

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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.