Home / 18,333.09-27,437.31-11,317.53

Finding the Fourth Proportional to 18,333.09, 27,437.31 and 11,317.53

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Solution

The fourth proportional to 18,333.09, 27,437.31 and 11,317.53 is: 16,937.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,333.09 : 27,437.31 = 11,317.53 : x
  2. Step 2: Convert to fraction form
    18,333.09/27,437.31 = 11,317.53/x
  3. Step 3: Cross multiply
    18,333.09x = 27,437.31 × 11,317.53
  4. Step 4: Simplify right side
    18,333.09x = 310,522,579.04
  5. Step 5: Solve for x
    x = 310,522,579.04/18,333.09
  6. Step 6: Final answer
    x = 16,937.82

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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.