Home / 19,365.88-29,010.30-15,186.28

Finding the Fourth Proportional to 19,365.88, 29,010.30 and 15,186.28

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Solution

The fourth proportional to 19,365.88, 29,010.30 and 15,186.28 is: 22,749.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,365.88 : 29,010.30 = 15,186.28 : x
  2. Step 2: Convert to fraction form
    19,365.88/29,010.30 = 15,186.28/x
  3. Step 3: Cross multiply
    19,365.88x = 29,010.30 × 15,186.28
  4. Step 4: Simplify right side
    19,365.88x = 440,558,538.68
  5. Step 5: Solve for x
    x = 440,558,538.68/19,365.88
  6. Step 6: Final answer
    x = 22,749.21

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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.