Home / 12,935.99-19,399.93-8,576.57

Finding the Fourth Proportional to 12,935.99, 19,399.93 and 8,576.57

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Solution

The fourth proportional to 12,935.99, 19,399.93 and 8,576.57 is: 12,862.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,935.99 : 19,399.93 = 8,576.57 : x
  2. Step 2: Convert to fraction form
    12,935.99/19,399.93 = 8,576.57/x
  3. Step 3: Cross multiply
    12,935.99x = 19,399.93 × 8,576.57
  4. Step 4: Simplify right side
    12,935.99x = 166,384,739.20
  5. Step 5: Solve for x
    x = 166,384,739.20/12,935.99
  6. Step 6: Final answer
    x = 12,862.16

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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.