Home / 12,008.84-17,999.82-5,433.80

Finding the Fourth Proportional to 12,008.84, 17,999.82 and 5,433.80

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Solution

The fourth proportional to 12,008.84, 17,999.82 and 5,433.80 is: 8,144.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,008.84 : 17,999.82 = 5,433.80 : x
  2. Step 2: Convert to fraction form
    12,008.84/17,999.82 = 5,433.80/x
  3. Step 3: Cross multiply
    12,008.84x = 17,999.82 × 5,433.80
  4. Step 4: Simplify right side
    12,008.84x = 97,807,421.92
  5. Step 5: Solve for x
    x = 97,807,421.92/12,008.84
  6. Step 6: Final answer
    x = 8,144.62

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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.