Home / 12,576.99-17,356.58-6,911.90

Finding the Fourth Proportional to 12,576.99, 17,356.58 and 6,911.90

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Solution

The fourth proportional to 12,576.99, 17,356.58 and 6,911.90 is: 9,538.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,576.99 : 17,356.58 = 6,911.90 : x
  2. Step 2: Convert to fraction form
    12,576.99/17,356.58 = 6,911.90/x
  3. Step 3: Cross multiply
    12,576.99x = 17,356.58 × 6,911.90
  4. Step 4: Simplify right side
    12,576.99x = 119,966,945.30
  5. Step 5: Solve for x
    x = 119,966,945.30/12,576.99
  6. Step 6: Final answer
    x = 9,538.61

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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.