Home / 18,453.72-25,476.48-12,177.03

Finding the Fourth Proportional to 18,453.72, 25,476.48 and 12,177.03

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Solution

The fourth proportional to 18,453.72, 25,476.48 and 12,177.03 is: 16,811.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,453.72 : 25,476.48 = 12,177.03 : x
  2. Step 2: Convert to fraction form
    18,453.72/25,476.48 = 12,177.03/x
  3. Step 3: Cross multiply
    18,453.72x = 25,476.48 × 12,177.03
  4. Step 4: Simplify right side
    18,453.72x = 310,227,861.25
  5. Step 5: Solve for x
    x = 310,227,861.25/18,453.72
  6. Step 6: Final answer
    x = 16,811.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.