Home / 13,327.26-18,391.50-7,359.05

Finding the Fourth Proportional to 13,327.26, 18,391.50 and 7,359.05

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Solution

The fourth proportional to 13,327.26, 18,391.50 and 7,359.05 is: 10,155.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,327.26 : 18,391.50 = 7,359.05 : x
  2. Step 2: Convert to fraction form
    13,327.26/18,391.50 = 7,359.05/x
  3. Step 3: Cross multiply
    13,327.26x = 18,391.50 × 7,359.05
  4. Step 4: Simplify right side
    13,327.26x = 135,343,876.12
  5. Step 5: Solve for x
    x = 135,343,876.12/13,327.26
  6. Step 6: Final answer
    x = 10,155.42

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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.