Home / 13,273.27-18,310.26-9,285.64

Finding the Fourth Proportional to 13,273.27, 18,310.26 and 9,285.64

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Solution

The fourth proportional to 13,273.27, 18,310.26 and 9,285.64 is: 12,809.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,273.27 : 18,310.26 = 9,285.64 : x
  2. Step 2: Convert to fraction form
    13,273.27/18,310.26 = 9,285.64/x
  3. Step 3: Cross multiply
    13,273.27x = 18,310.26 × 9,285.64
  4. Step 4: Simplify right side
    13,273.27x = 170,022,482.67
  5. Step 5: Solve for x
    x = 170,022,482.67/13,273.27
  6. Step 6: Final answer
    x = 12,809.39

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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.