Home / 15,181.80-22,772.70-6,426.60

Finding the Fourth Proportional to 15,181.80, 22,772.70 and 6,426.60

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Solution

The fourth proportional to 15,181.80, 22,772.70 and 6,426.60 is: 9,639.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,181.80 : 22,772.70 = 6,426.60 : x
  2. Step 2: Convert to fraction form
    15,181.80/22,772.70 = 6,426.60/x
  3. Step 3: Cross multiply
    15,181.80x = 22,772.70 × 6,426.60
  4. Step 4: Simplify right side
    15,181.80x = 146,351,033.82
  5. Step 5: Solve for x
    x = 146,351,033.82/15,181.80
  6. Step 6: Final answer
    x = 9,639.90

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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.