Home / 14,638.05-20,203.83-11,445.03

Finding the Fourth Proportional to 14,638.05, 20,203.83 and 11,445.03

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Solution

The fourth proportional to 14,638.05, 20,203.83 and 11,445.03 is: 15,796.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,638.05 : 20,203.83 = 11,445.03 : x
  2. Step 2: Convert to fraction form
    14,638.05/20,203.83 = 11,445.03/x
  3. Step 3: Cross multiply
    14,638.05x = 20,203.83 × 11,445.03
  4. Step 4: Simplify right side
    14,638.05x = 231,233,440.46
  5. Step 5: Solve for x
    x = 231,233,440.46/14,638.05
  6. Step 6: Final answer
    x = 15,796.74

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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.