Home / 12,576.99-17,356.44-6,912.30

Finding the Fourth Proportional to 12,576.99, 17,356.44 and 6,912.30

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Solution

The fourth proportional to 12,576.99, 17,356.44 and 6,912.30 is: 9,539.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,576.99 : 17,356.44 = 6,912.30 : x
  2. Step 2: Convert to fraction form
    12,576.99/17,356.44 = 6,912.30/x
  3. Step 3: Cross multiply
    12,576.99x = 17,356.44 × 6,912.30
  4. Step 4: Simplify right side
    12,576.99x = 119,972,920.21
  5. Step 5: Solve for x
    x = 119,972,920.21/12,576.99
  6. Step 6: Final answer
    x = 9,539.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.