Home / 14,153.37-21,230.02-3,765.12

Finding the Fourth Proportional to 14,153.37, 21,230.02 and 3,765.12

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Solution

The fourth proportional to 14,153.37, 21,230.02 and 3,765.12 is: 5,647.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,153.37 : 21,230.02 = 3,765.12 : x
  2. Step 2: Convert to fraction form
    14,153.37/21,230.02 = 3,765.12/x
  3. Step 3: Cross multiply
    14,153.37x = 21,230.02 × 3,765.12
  4. Step 4: Simplify right side
    14,153.37x = 79,933,572.90
  5. Step 5: Solve for x
    x = 79,933,572.90/14,153.37
  6. Step 6: Final answer
    x = 5,647.67

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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.