Home / 11,216.35-15,477.21-6,436.03

Finding the Fourth Proportional to 11,216.35, 15,477.21 and 6,436.03

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Solution

The fourth proportional to 11,216.35, 15,477.21 and 6,436.03 is: 8,880.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,216.35 : 15,477.21 = 6,436.03 : x
  2. Step 2: Convert to fraction form
    11,216.35/15,477.21 = 6,436.03/x
  3. Step 3: Cross multiply
    11,216.35x = 15,477.21 × 6,436.03
  4. Step 4: Simplify right side
    11,216.35x = 99,611,787.88
  5. Step 5: Solve for x
    x = 99,611,787.88/11,216.35
  6. Step 6: Final answer
    x = 8,880.95

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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.