Home / 11,644.20-16,069.32-6,607.80

Finding the Fourth Proportional to 11,644.20, 16,069.32 and 6,607.80

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Solution

The fourth proportional to 11,644.20, 16,069.32 and 6,607.80 is: 9,118.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,644.20 : 16,069.32 = 6,607.80 : x
  2. Step 2: Convert to fraction form
    11,644.20/16,069.32 = 6,607.80/x
  3. Step 3: Cross multiply
    11,644.20x = 16,069.32 × 6,607.80
  4. Step 4: Simplify right side
    11,644.20x = 106,182,852.70
  5. Step 5: Solve for x
    x = 106,182,852.70/11,644.20
  6. Step 6: Final answer
    x = 9,118.95

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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.