Home / 14,212.38-21,293.04-8,365.80

Finding the Fourth Proportional to 14,212.38, 21,293.04 and 8,365.80

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Solution

The fourth proportional to 14,212.38, 21,293.04 and 8,365.80 is: 12,533.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,212.38 : 21,293.04 = 8,365.80 : x
  2. Step 2: Convert to fraction form
    14,212.38/21,293.04 = 8,365.80/x
  3. Step 3: Cross multiply
    14,212.38x = 21,293.04 × 8,365.80
  4. Step 4: Simplify right side
    14,212.38x = 178,133,314.03
  5. Step 5: Solve for x
    x = 178,133,314.03/14,212.38
  6. Step 6: Final answer
    x = 12,533.67

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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.