Home / 13,830.14-20,745.16-11,043.74

Finding the Fourth Proportional to 13,830.14, 20,745.16 and 11,043.74

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Solution

The fourth proportional to 13,830.14, 20,745.16 and 11,043.74 is: 16,565.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,830.14 : 20,745.16 = 11,043.74 : x
  2. Step 2: Convert to fraction form
    13,830.14/20,745.16 = 11,043.74/x
  3. Step 3: Cross multiply
    13,830.14x = 20,745.16 × 11,043.74
  4. Step 4: Simplify right side
    13,830.14x = 229,104,153.30
  5. Step 5: Solve for x
    x = 229,104,153.30/13,830.14
  6. Step 6: Final answer
    x = 16,565.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.