Home / 18,313.30-27,445.23-13,359.70

Finding the Fourth Proportional to 18,313.30, 27,445.23 and 13,359.70

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Solution

The fourth proportional to 18,313.30, 27,445.23 and 13,359.70 is: 20,021.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,313.30 : 27,445.23 = 13,359.70 : x
  2. Step 2: Convert to fraction form
    18,313.30/27,445.23 = 13,359.70/x
  3. Step 3: Cross multiply
    18,313.30x = 27,445.23 × 13,359.70
  4. Step 4: Simplify right side
    18,313.30x = 366,660,039.23
  5. Step 5: Solve for x
    x = 366,660,039.23/18,313.30
  6. Step 6: Final answer
    x = 20,021.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.