Home / 13,301.86-18,364.44-11,825.78

Finding the Fourth Proportional to 13,301.86, 18,364.44 and 11,825.78

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Solution

The fourth proportional to 13,301.86, 18,364.44 and 11,825.78 is: 16,326.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301.86 : 18,364.44 = 11,825.78 : x
  2. Step 2: Convert to fraction form
    13,301.86/18,364.44 = 11,825.78/x
  3. Step 3: Cross multiply
    13,301.86x = 18,364.44 × 11,825.78
  4. Step 4: Simplify right side
    13,301.86x = 217,173,827.26
  5. Step 5: Solve for x
    x = 217,173,827.26/13,301.86
  6. Step 6: Final answer
    x = 16,326.58

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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.