Home / 12,813.30-19,208.55-6,893.37

Finding the Fourth Proportional to 12,813.30, 19,208.55 and 6,893.37

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Solution

The fourth proportional to 12,813.30, 19,208.55 and 6,893.37 is: 10,333.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,813.30 : 19,208.55 = 6,893.37 : x
  2. Step 2: Convert to fraction form
    12,813.30/19,208.55 = 6,893.37/x
  3. Step 3: Cross multiply
    12,813.30x = 19,208.55 × 6,893.37
  4. Step 4: Simplify right side
    12,813.30x = 132,411,668.16
  5. Step 5: Solve for x
    x = 132,411,668.16/12,813.30
  6. Step 6: Final answer
    x = 10,333.92

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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.