Home / 20,147.93-27,803.93-11,195.24

Finding the Fourth Proportional to 20,147.93, 27,803.93 and 11,195.24

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Solution

The fourth proportional to 20,147.93, 27,803.93 and 11,195.24 is: 15,449.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,147.93 : 27,803.93 = 11,195.24 : x
  2. Step 2: Convert to fraction form
    20,147.93/27,803.93 = 11,195.24/x
  3. Step 3: Cross multiply
    20,147.93x = 27,803.93 × 11,195.24
  4. Step 4: Simplify right side
    20,147.93x = 311,271,669.29
  5. Step 5: Solve for x
    x = 311,271,669.29/20,147.93
  6. Step 6: Final answer
    x = 15,449.31

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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.