Home / 13,302.43-18,357.47-7,334.31

Finding the Fourth Proportional to 13,302.43, 18,357.47 and 7,334.31

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Solution

The fourth proportional to 13,302.43, 18,357.47 and 7,334.31 is: 10,121.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,302.43 : 18,357.47 = 7,334.31 : x
  2. Step 2: Convert to fraction form
    13,302.43/18,357.47 = 7,334.31/x
  3. Step 3: Cross multiply
    13,302.43x = 18,357.47 × 7,334.31
  4. Step 4: Simplify right side
    13,302.43x = 134,639,375.80
  5. Step 5: Solve for x
    x = 134,639,375.80/13,302.43
  6. Step 6: Final answer
    x = 10,121.41

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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.