Home / 23,180.76-34,771.20-12,661.32

Finding the Fourth Proportional to 23,180.76, 34,771.20 and 12,661.32

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Solution

The fourth proportional to 23,180.76, 34,771.20 and 12,661.32 is: 18,992.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,180.76 : 34,771.20 = 12,661.32 : x
  2. Step 2: Convert to fraction form
    23,180.76/34,771.20 = 12,661.32/x
  3. Step 3: Cross multiply
    23,180.76x = 34,771.20 × 12,661.32
  4. Step 4: Simplify right side
    23,180.76x = 440,249,289.98
  5. Step 5: Solve for x
    x = 440,249,289.98/23,180.76
  6. Step 6: Final answer
    x = 18,992.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.