Home / 14,429.15-21,678.41-13,632.60

Finding the Fourth Proportional to 14,429.15, 21,678.41 and 13,632.60

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Solution

The fourth proportional to 14,429.15, 21,678.41 and 13,632.60 is: 20,481.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,429.15 : 21,678.41 = 13,632.60 : x
  2. Step 2: Convert to fraction form
    14,429.15/21,678.41 = 13,632.60/x
  3. Step 3: Cross multiply
    14,429.15x = 21,678.41 × 13,632.60
  4. Step 4: Simplify right side
    14,429.15x = 295,533,092.17
  5. Step 5: Solve for x
    x = 295,533,092.17/14,429.15
  6. Step 6: Final answer
    x = 20,481.67

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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.