Home / 22,360.86-30,855.96-12,289.17

Finding the Fourth Proportional to 22,360.86, 30,855.96 and 12,289.17

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Solution

The fourth proportional to 22,360.86, 30,855.96 and 12,289.17 is: 16,957.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,360.86 : 30,855.96 = 12,289.17 : x
  2. Step 2: Convert to fraction form
    22,360.86/30,855.96 = 12,289.17/x
  3. Step 3: Cross multiply
    22,360.86x = 30,855.96 × 12,289.17
  4. Step 4: Simplify right side
    22,360.86x = 379,194,137.95
  5. Step 5: Solve for x
    x = 379,194,137.95/22,360.86
  6. Step 6: Final answer
    x = 16,957.94

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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.