Home / 13,327.29-18,391.46-7,358.81

Finding the Fourth Proportional to 13,327.29, 18,391.46 and 7,358.81

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Solution

The fourth proportional to 13,327.29, 18,391.46 and 7,358.81 is: 10,155.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,327.29 : 18,391.46 = 7,358.81 : x
  2. Step 2: Convert to fraction form
    13,327.29/18,391.46 = 7,358.81/x
  3. Step 3: Cross multiply
    13,327.29x = 18,391.46 × 7,358.81
  4. Step 4: Simplify right side
    13,327.29x = 135,339,131.01
  5. Step 5: Solve for x
    x = 135,339,131.01/13,327.29
  6. Step 6: Final answer
    x = 10,155.04

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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.