Home / 13,476.36-20,221.56-10,188.48

Finding the Fourth Proportional to 13,476.36, 20,221.56 and 10,188.48

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Solution

The fourth proportional to 13,476.36, 20,221.56 and 10,188.48 is: 15,288.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,476.36 : 20,221.56 = 10,188.48 : x
  2. Step 2: Convert to fraction form
    13,476.36/20,221.56 = 10,188.48/x
  3. Step 3: Cross multiply
    13,476.36x = 20,221.56 × 10,188.48
  4. Step 4: Simplify right side
    13,476.36x = 206,026,959.63
  5. Step 5: Solve for x
    x = 206,026,959.63/13,476.36
  6. Step 6: Final answer
    x = 15,288.03

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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.