Home / 21,496.06-32,235.90-8,345.38

Finding the Fourth Proportional to 21,496.06, 32,235.90 and 8,345.38

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Solution

The fourth proportional to 21,496.06, 32,235.90 and 8,345.38 is: 12,514.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,496.06 : 32,235.90 = 8,345.38 : x
  2. Step 2: Convert to fraction form
    21,496.06/32,235.90 = 8,345.38/x
  3. Step 3: Cross multiply
    21,496.06x = 32,235.90 × 8,345.38
  4. Step 4: Simplify right side
    21,496.06x = 269,020,835.14
  5. Step 5: Solve for x
    x = 269,020,835.14/21,496.06
  6. Step 6: Final answer
    x = 12,514.89

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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.