Home / 23,199.22-32,016.93-13,130.89

Finding the Fourth Proportional to 23,199.22, 32,016.93 and 13,130.89

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Solution

The fourth proportional to 23,199.22, 32,016.93 and 13,130.89 is: 18,121.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,199.22 : 32,016.93 = 13,130.89 : x
  2. Step 2: Convert to fraction form
    23,199.22/32,016.93 = 13,130.89/x
  3. Step 3: Cross multiply
    23,199.22x = 32,016.93 × 13,130.89
  4. Step 4: Simplify right side
    23,199.22x = 420,410,625.88
  5. Step 5: Solve for x
    x = 420,410,625.88/23,199.22
  6. Step 6: Final answer
    x = 18,121.76

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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.