Home / 9,912.78-14,868.36-2,892.24

Finding the Fourth Proportional to 9,912.78, 14,868.36 and 2,892.24

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Solution

The fourth proportional to 9,912.78, 14,868.36 and 2,892.24 is: 4,338.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,912.78 : 14,868.36 = 2,892.24 : x
  2. Step 2: Convert to fraction form
    9,912.78/14,868.36 = 2,892.24/x
  3. Step 3: Cross multiply
    9,912.78x = 14,868.36 × 2,892.24
  4. Step 4: Simplify right side
    9,912.78x = 43,002,865.53
  5. Step 5: Solve for x
    x = 43,002,865.53/9,912.78
  6. Step 6: Final answer
    x = 4,338.12

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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.