Home / 12,375.04-18,566.63-8,231.35

Finding the Fourth Proportional to 12,375.04, 18,566.63 and 8,231.35

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Solution

The fourth proportional to 12,375.04, 18,566.63 and 8,231.35 is: 12,349.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,375.04 : 18,566.63 = 8,231.35 : x
  2. Step 2: Convert to fraction form
    12,375.04/18,566.63 = 8,231.35/x
  3. Step 3: Cross multiply
    12,375.04x = 18,566.63 × 8,231.35
  4. Step 4: Simplify right side
    12,375.04x = 152,828,429.85
  5. Step 5: Solve for x
    x = 152,828,429.85/12,375.04
  6. Step 6: Final answer
    x = 12,349.73

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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.