Home / 13,524.07-18,664.25-9,955.36

Finding the Fourth Proportional to 13,524.07, 18,664.25 and 9,955.36

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Solution

The fourth proportional to 13,524.07, 18,664.25 and 9,955.36 is: 13,739.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,524.07 : 18,664.25 = 9,955.36 : x
  2. Step 2: Convert to fraction form
    13,524.07/18,664.25 = 9,955.36/x
  3. Step 3: Cross multiply
    13,524.07x = 18,664.25 × 9,955.36
  4. Step 4: Simplify right side
    13,524.07x = 185,809,327.88
  5. Step 5: Solve for x
    x = 185,809,327.88/13,524.07
  6. Step 6: Final answer
    x = 13,739.16

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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.