Home / 18,265.06-25,203.90-13,487.56

Finding the Fourth Proportional to 18,265.06, 25,203.90 and 13,487.56

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Solution

The fourth proportional to 18,265.06, 25,203.90 and 13,487.56 is: 18,611.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,265.06 : 25,203.90 = 13,487.56 : x
  2. Step 2: Convert to fraction form
    18,265.06/25,203.90 = 13,487.56/x
  3. Step 3: Cross multiply
    18,265.06x = 25,203.90 × 13,487.56
  4. Step 4: Simplify right side
    18,265.06x = 339,939,113.48
  5. Step 5: Solve for x
    x = 339,939,113.48/18,265.06
  6. Step 6: Final answer
    x = 18,611.44

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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.