Home / 14,242.85-21,322.76-8,301.56

Finding the Fourth Proportional to 14,242.85, 21,322.76 and 8,301.56

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Solution

The fourth proportional to 14,242.85, 21,322.76 and 8,301.56 is: 12,428.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,242.85 : 21,322.76 = 8,301.56 : x
  2. Step 2: Convert to fraction form
    14,242.85/21,322.76 = 8,301.56/x
  3. Step 3: Cross multiply
    14,242.85x = 21,322.76 × 8,301.56
  4. Step 4: Simplify right side
    14,242.85x = 177,012,183.30
  5. Step 5: Solve for x
    x = 177,012,183.30/14,242.85
  6. Step 6: Final answer
    x = 12,428.15

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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.