Home / 13,313.11-18,358.96-10,327.85

Finding the Fourth Proportional to 13,313.11, 18,358.96 and 10,327.85

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Solution

The fourth proportional to 13,313.11, 18,358.96 and 10,327.85 is: 14,242.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,313.11 : 18,358.96 = 10,327.85 : x
  2. Step 2: Convert to fraction form
    13,313.11/18,358.96 = 10,327.85/x
  3. Step 3: Cross multiply
    13,313.11x = 18,358.96 × 10,327.85
  4. Step 4: Simplify right side
    13,313.11x = 189,608,585.04
  5. Step 5: Solve for x
    x = 189,608,585.04/13,313.11
  6. Step 6: Final answer
    x = 14,242.25

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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.