Home / 18,229.72-25,157.40-10,271.76

Finding the Fourth Proportional to 18,229.72, 25,157.40 and 10,271.76

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Solution

The fourth proportional to 18,229.72, 25,157.40 and 10,271.76 is: 14,175.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,229.72 : 25,157.40 = 10,271.76 : x
  2. Step 2: Convert to fraction form
    18,229.72/25,157.40 = 10,271.76/x
  3. Step 3: Cross multiply
    18,229.72x = 25,157.40 × 10,271.76
  4. Step 4: Simplify right side
    18,229.72x = 258,410,775.02
  5. Step 5: Solve for x
    x = 258,410,775.02/18,229.72
  6. Step 6: Final answer
    x = 14,175.25

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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.