Home / 13,537.56-18,696.48-9,299.79

Finding the Fourth Proportional to 13,537.56, 18,696.48 and 9,299.79

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Solution

The fourth proportional to 13,537.56, 18,696.48 and 9,299.79 is: 12,843.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,537.56 : 18,696.48 = 9,299.79 : x
  2. Step 2: Convert to fraction form
    13,537.56/18,696.48 = 9,299.79/x
  3. Step 3: Cross multiply
    13,537.56x = 18,696.48 × 9,299.79
  4. Step 4: Simplify right side
    13,537.56x = 173,873,337.74
  5. Step 5: Solve for x
    x = 173,873,337.74/13,537.56
  6. Step 6: Final answer
    x = 12,843.77

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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.