Home / 18,570.56-25,629.14-10,611.27

Finding the Fourth Proportional to 18,570.56, 25,629.14 and 10,611.27

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Solution

The fourth proportional to 18,570.56, 25,629.14 and 10,611.27 is: 14,644.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,570.56 : 25,629.14 = 10,611.27 : x
  2. Step 2: Convert to fraction form
    18,570.56/25,629.14 = 10,611.27/x
  3. Step 3: Cross multiply
    18,570.56x = 25,629.14 × 10,611.27
  4. Step 4: Simplify right side
    18,570.56x = 271,957,750.94
  5. Step 5: Solve for x
    x = 271,957,750.94/18,570.56
  6. Step 6: Final answer
    x = 14,644.57

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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.