Home / 20,150.42-27,795.03-13,851.86

Finding the Fourth Proportional to 20,150.42, 27,795.03 and 13,851.86

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Solution

The fourth proportional to 20,150.42, 27,795.03 and 13,851.86 is: 19,106.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,150.42 : 27,795.03 = 13,851.86 : x
  2. Step 2: Convert to fraction form
    20,150.42/27,795.03 = 13,851.86/x
  3. Step 3: Cross multiply
    20,150.42x = 27,795.03 × 13,851.86
  4. Step 4: Simplify right side
    20,150.42x = 385,012,864.26
  5. Step 5: Solve for x
    x = 385,012,864.26/20,150.42
  6. Step 6: Final answer
    x = 19,106.94

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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.