Home / 14,193.81-21,287.97-5,426.67

Finding the Fourth Proportional to 14,193.81, 21,287.97 and 5,426.67

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Solution

The fourth proportional to 14,193.81, 21,287.97 and 5,426.67 is: 8,138.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,193.81 : 21,287.97 = 5,426.67 : x
  2. Step 2: Convert to fraction form
    14,193.81/21,287.97 = 5,426.67/x
  3. Step 3: Cross multiply
    14,193.81x = 21,287.97 × 5,426.67
  4. Step 4: Simplify right side
    14,193.81x = 115,522,788.16
  5. Step 5: Solve for x
    x = 115,522,788.16/14,193.81
  6. Step 6: Final answer
    x = 8,138.96

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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.