Home / 16,849.20-23,261.40-11,684.40

Finding the Fourth Proportional to 16,849.20, 23,261.40 and 11,684.40

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Solution

The fourth proportional to 16,849.20, 23,261.40 and 11,684.40 is: 16,131.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,849.20 : 23,261.40 = 11,684.40 : x
  2. Step 2: Convert to fraction form
    16,849.20/23,261.40 = 11,684.40/x
  3. Step 3: Cross multiply
    16,849.20x = 23,261.40 × 11,684.40
  4. Step 4: Simplify right side
    16,849.20x = 271,795,502.16
  5. Step 5: Solve for x
    x = 271,795,502.16/16,849.20
  6. Step 6: Final answer
    x = 16,131.06

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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.