Home / 12,835.73-19,259.72-6,992.21

Finding the Fourth Proportional to 12,835.73, 19,259.72 and 6,992.21

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Solution

The fourth proportional to 12,835.73, 19,259.72 and 6,992.21 is: 10,491.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,835.73 : 19,259.72 = 6,992.21 : x
  2. Step 2: Convert to fraction form
    12,835.73/19,259.72 = 6,992.21/x
  3. Step 3: Cross multiply
    12,835.73x = 19,259.72 × 6,992.21
  4. Step 4: Simplify right side
    12,835.73x = 134,667,971.82
  5. Step 5: Solve for x
    x = 134,667,971.82/12,835.73
  6. Step 6: Final answer
    x = 10,491.65

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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.