Home / 13,310.96-19,933.64-8,368.34

Finding the Fourth Proportional to 13,310.96, 19,933.64 and 8,368.34

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Solution

The fourth proportional to 13,310.96, 19,933.64 and 8,368.34 is: 12,531.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,310.96 : 19,933.64 = 8,368.34 : x
  2. Step 2: Convert to fraction form
    13,310.96/19,933.64 = 8,368.34/x
  3. Step 3: Cross multiply
    13,310.96x = 19,933.64 × 8,368.34
  4. Step 4: Simplify right side
    13,310.96x = 166,811,476.96
  5. Step 5: Solve for x
    x = 166,811,476.96/13,310.96
  6. Step 6: Final answer
    x = 12,531.89

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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.