Home / 19,630.05-27,087.01-13,270.48

Finding the Fourth Proportional to 19,630.05, 27,087.01 and 13,270.48

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Solution

The fourth proportional to 19,630.05, 27,087.01 and 13,270.48 is: 18,311.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,630.05 : 27,087.01 = 13,270.48 : x
  2. Step 2: Convert to fraction form
    19,630.05/27,087.01 = 13,270.48/x
  3. Step 3: Cross multiply
    19,630.05x = 27,087.01 × 13,270.48
  4. Step 4: Simplify right side
    19,630.05x = 359,457,422.68
  5. Step 5: Solve for x
    x = 359,457,422.68/19,630.05
  6. Step 6: Final answer
    x = 18,311.59

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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.