Home / 23,919.60-33,009.06-13,309.26

Finding the Fourth Proportional to 23,919.60, 33,009.06 and 13,309.26

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Solution

The fourth proportional to 23,919.60, 33,009.06 and 13,309.26 is: 18,366.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,919.60 : 33,009.06 = 13,309.26 : x
  2. Step 2: Convert to fraction form
    23,919.60/33,009.06 = 13,309.26/x
  3. Step 3: Cross multiply
    23,919.60x = 33,009.06 × 13,309.26
  4. Step 4: Simplify right side
    23,919.60x = 439,326,161.90
  5. Step 5: Solve for x
    x = 439,326,161.90/23,919.60
  6. Step 6: Final answer
    x = 18,366.79

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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.