Home / 10,450.41-15,680.98-6,942.84

Finding the Fourth Proportional to 10,450.41, 15,680.98 and 6,942.84

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Solution

The fourth proportional to 10,450.41, 15,680.98 and 6,942.84 is: 10,417.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,450.41 : 15,680.98 = 6,942.84 : x
  2. Step 2: Convert to fraction form
    10,450.41/15,680.98 = 6,942.84/x
  3. Step 3: Cross multiply
    10,450.41x = 15,680.98 × 6,942.84
  4. Step 4: Simplify right side
    10,450.41x = 108,870,485.06
  5. Step 5: Solve for x
    x = 108,870,485.06/10,450.41
  6. Step 6: Final answer
    x = 10,417.82

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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.