Home / 14,489.06-20,003.73-13,595.54

Finding the Fourth Proportional to 14,489.06, 20,003.73 and 13,595.54

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Solution

The fourth proportional to 14,489.06, 20,003.73 and 13,595.54 is: 18,770.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,489.06 : 20,003.73 = 13,595.54 : x
  2. Step 2: Convert to fraction form
    14,489.06/20,003.73 = 13,595.54/x
  3. Step 3: Cross multiply
    14,489.06x = 20,003.73 × 13,595.54
  4. Step 4: Simplify right side
    14,489.06x = 271,961,511.36
  5. Step 5: Solve for x
    x = 271,961,511.36/14,489.06
  6. Step 6: Final answer
    x = 18,770.13

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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.