Home / 13,310.35-18,367.42-7,342.06

Finding the Fourth Proportional to 13,310.35, 18,367.42 and 7,342.06

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Solution

The fourth proportional to 13,310.35, 18,367.42 and 7,342.06 is: 10,131.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,310.35 : 18,367.42 = 7,342.06 : x
  2. Step 2: Convert to fraction form
    13,310.35/18,367.42 = 7,342.06/x
  3. Step 3: Cross multiply
    13,310.35x = 18,367.42 × 7,342.06
  4. Step 4: Simplify right side
    13,310.35x = 134,854,699.69
  5. Step 5: Solve for x
    x = 134,854,699.69/13,310.35
  6. Step 6: Final answer
    x = 10,131.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.