Home / 16,450.80-22,702.28-9,377.32

Finding the Fourth Proportional to 16,450.80, 22,702.28 and 9,377.32

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Solution

The fourth proportional to 16,450.80, 22,702.28 and 9,377.32 is: 12,940.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,450.80 : 22,702.28 = 9,377.32 : x
  2. Step 2: Convert to fraction form
    16,450.80/22,702.28 = 9,377.32/x
  3. Step 3: Cross multiply
    16,450.80x = 22,702.28 × 9,377.32
  4. Step 4: Simplify right side
    16,450.80x = 212,886,544.29
  5. Step 5: Solve for x
    x = 212,886,544.29/16,450.80
  6. Step 6: Final answer
    x = 12,940.80

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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.