Home / 13,299.48-18,359.85-9,072.51

Finding the Fourth Proportional to 13,299.48, 18,359.85 and 9,072.51

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Solution

The fourth proportional to 13,299.48, 18,359.85 and 9,072.51 is: 12,524.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,299.48 : 18,359.85 = 9,072.51 : x
  2. Step 2: Convert to fraction form
    13,299.48/18,359.85 = 9,072.51/x
  3. Step 3: Cross multiply
    13,299.48x = 18,359.85 × 9,072.51
  4. Step 4: Simplify right side
    13,299.48x = 166,569,922.72
  5. Step 5: Solve for x
    x = 166,569,922.72/13,299.48
  6. Step 6: Final answer
    x = 12,524.54

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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.