Home / 13,454.09-18,567.24-11,212.22

Finding the Fourth Proportional to 13,454.09, 18,567.24 and 11,212.22

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Solution

The fourth proportional to 13,454.09, 18,567.24 and 11,212.22 is: 15,473.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,454.09 : 18,567.24 = 11,212.22 : x
  2. Step 2: Convert to fraction form
    13,454.09/18,567.24 = 11,212.22/x
  3. Step 3: Cross multiply
    13,454.09x = 18,567.24 × 11,212.22
  4. Step 4: Simplify right side
    13,454.09x = 208,179,886.84
  5. Step 5: Solve for x
    x = 208,179,886.84/13,454.09
  6. Step 6: Final answer
    x = 15,473.36

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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.