Home / 23,185.80-34,778.12-12,666.04

Finding the Fourth Proportional to 23,185.80, 34,778.12 and 12,666.04

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Solution

The fourth proportional to 23,185.80, 34,778.12 and 12,666.04 is: 18,998.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,185.80 : 34,778.12 = 12,666.04 : x
  2. Step 2: Convert to fraction form
    23,185.80/34,778.12 = 12,666.04/x
  3. Step 3: Cross multiply
    23,185.80x = 34,778.12 × 12,666.04
  4. Step 4: Simplify right side
    23,185.80x = 440,501,059.04
  5. Step 5: Solve for x
    x = 440,501,059.04/23,185.80
  6. Step 6: Final answer
    x = 18,998.74

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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.