Home / 18,081.51-24,954.96-10,911.80

Finding the Fourth Proportional to 18,081.51, 24,954.96 and 10,911.80

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Solution

The fourth proportional to 18,081.51, 24,954.96 and 10,911.80 is: 15,059.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,081.51 : 24,954.96 = 10,911.80 : x
  2. Step 2: Convert to fraction form
    18,081.51/24,954.96 = 10,911.80/x
  3. Step 3: Cross multiply
    18,081.51x = 24,954.96 × 10,911.80
  4. Step 4: Simplify right side
    18,081.51x = 272,303,407.75
  5. Step 5: Solve for x
    x = 272,303,407.75/18,081.51
  6. Step 6: Final answer
    x = 15,059.77

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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.