Home / 13,310.94-18,368.82-7,343.13

Finding the Fourth Proportional to 13,310.94, 18,368.82 and 7,343.13

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Solution

The fourth proportional to 13,310.94, 18,368.82 and 7,343.13 is: 10,133.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,310.94 : 18,368.82 = 7,343.13 : x
  2. Step 2: Convert to fraction form
    13,310.94/18,368.82 = 7,343.13/x
  3. Step 3: Cross multiply
    13,310.94x = 18,368.82 × 7,343.13
  4. Step 4: Simplify right side
    13,310.94x = 134,884,633.21
  5. Step 5: Solve for x
    x = 134,884,633.21/13,310.94
  6. Step 6: Final answer
    x = 10,133.37

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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.