Home / 10,450.22-15,680.70-6,942.65

Finding the Fourth Proportional to 10,450.22, 15,680.70 and 6,942.65

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Solution

The fourth proportional to 10,450.22, 15,680.70 and 6,942.65 is: 10,417.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,450.22 : 15,680.70 = 6,942.65 : x
  2. Step 2: Convert to fraction form
    10,450.22/15,680.70 = 6,942.65/x
  3. Step 3: Cross multiply
    10,450.22x = 15,680.70 × 6,942.65
  4. Step 4: Simplify right side
    10,450.22x = 108,865,533.45
  5. Step 5: Solve for x
    x = 108,865,533.45/10,450.22
  6. Step 6: Final answer
    x = 10,417.54

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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.