Home / 22,277.14-30,739.53-13,321.37

Finding the Fourth Proportional to 22,277.14, 30,739.53 and 13,321.37

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Solution

The fourth proportional to 22,277.14, 30,739.53 and 13,321.37 is: 18,381.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,277.14 : 30,739.53 = 13,321.37 : x
  2. Step 2: Convert to fraction form
    22,277.14/30,739.53 = 13,321.37/x
  3. Step 3: Cross multiply
    22,277.14x = 30,739.53 × 13,321.37
  4. Step 4: Simplify right side
    22,277.14x = 409,492,779.56
  5. Step 5: Solve for x
    x = 409,492,779.56/22,277.14
  6. Step 6: Final answer
    x = 18,381.75

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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.