Home / 19,453.46-29,180.08-12,415.97

Finding the Fourth Proportional to 19,453.46, 29,180.08 and 12,415.97

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Solution

The fourth proportional to 19,453.46, 29,180.08 and 12,415.97 is: 18,623.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,453.46 : 29,180.08 = 12,415.97 : x
  2. Step 2: Convert to fraction form
    19,453.46/29,180.08 = 12,415.97/x
  3. Step 3: Cross multiply
    19,453.46x = 29,180.08 × 12,415.97
  4. Step 4: Simplify right side
    19,453.46x = 362,299,086.35
  5. Step 5: Solve for x
    x = 362,299,086.35/19,453.46
  6. Step 6: Final answer
    x = 18,623.89

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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.