Home / 19,478.88-29,171.48-11,133.59

Finding the Fourth Proportional to 19,478.88, 29,171.48 and 11,133.59

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Solution

The fourth proportional to 19,478.88, 29,171.48 and 11,133.59 is: 16,673.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,478.88 : 29,171.48 = 11,133.59 : x
  2. Step 2: Convert to fraction form
    19,478.88/29,171.48 = 11,133.59/x
  3. Step 3: Cross multiply
    19,478.88x = 29,171.48 × 11,133.59
  4. Step 4: Simplify right side
    19,478.88x = 324,783,096.49
  5. Step 5: Solve for x
    x = 324,783,096.49/19,478.88
  6. Step 6: Final answer
    x = 16,673.60

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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.