Home / 12,929.82-19,396.82-5,534.38

Finding the Fourth Proportional to 12,929.82, 19,396.82 and 5,534.38

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Solution

The fourth proportional to 12,929.82, 19,396.82 and 5,534.38 is: 8,302.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,929.82 : 19,396.82 = 5,534.38 : x
  2. Step 2: Convert to fraction form
    12,929.82/19,396.82 = 5,534.38/x
  3. Step 3: Cross multiply
    12,929.82x = 19,396.82 × 5,534.38
  4. Step 4: Simplify right side
    12,929.82x = 107,349,372.67
  5. Step 5: Solve for x
    x = 107,349,372.67/12,929.82
  6. Step 6: Final answer
    x = 8,302.46

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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.