Home / 9,912.12-14,870.67-6,996.12

Finding the Fourth Proportional to 9,912.12, 14,870.67 and 6,996.12

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Solution

The fourth proportional to 9,912.12, 14,870.67 and 6,996.12 is: 10,495.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,912.12 : 14,870.67 = 6,996.12 : x
  2. Step 2: Convert to fraction form
    9,912.12/14,870.67 = 6,996.12/x
  3. Step 3: Cross multiply
    9,912.12x = 14,870.67 × 6,996.12
  4. Step 4: Simplify right side
    9,912.12x = 104,036,991.80
  5. Step 5: Solve for x
    x = 104,036,991.80/9,912.12
  6. Step 6: Final answer
    x = 10,495.94

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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.