Home / 12,006.50-18,004.93-4,981.73

Finding the Fourth Proportional to 12,006.50, 18,004.93 and 4,981.73

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Solution

The fourth proportional to 12,006.50, 18,004.93 and 4,981.73 is: 7,470.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,006.50 : 18,004.93 = 4,981.73 : x
  2. Step 2: Convert to fraction form
    12,006.50/18,004.93 = 4,981.73/x
  3. Step 3: Cross multiply
    12,006.50x = 18,004.93 × 4,981.73
  4. Step 4: Simplify right side
    12,006.50x = 89,695,597.45
  5. Step 5: Solve for x
    x = 89,695,597.45/12,006.50
  6. Step 6: Final answer
    x = 7,470.59

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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.