Home / 14,138.76-21,207.36-5,816.67

Finding the Fourth Proportional to 14,138.76, 21,207.36 and 5,816.67

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Solution

The fourth proportional to 14,138.76, 21,207.36 and 5,816.67 is: 8,724.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,138.76 : 21,207.36 = 5,816.67 : x
  2. Step 2: Convert to fraction form
    14,138.76/21,207.36 = 5,816.67/x
  3. Step 3: Cross multiply
    14,138.76x = 21,207.36 × 5,816.67
  4. Step 4: Simplify right side
    14,138.76x = 123,356,214.69
  5. Step 5: Solve for x
    x = 123,356,214.69/14,138.76
  6. Step 6: Final answer
    x = 8,724.68

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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.