Home / 18,085.79-24,958.44-10,128.14

Finding the Fourth Proportional to 18,085.79, 24,958.44 and 10,128.14

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Solution

The fourth proportional to 18,085.79, 24,958.44 and 10,128.14 is: 13,976.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,085.79 : 24,958.44 = 10,128.14 : x
  2. Step 2: Convert to fraction form
    18,085.79/24,958.44 = 10,128.14/x
  3. Step 3: Cross multiply
    18,085.79x = 24,958.44 × 10,128.14
  4. Step 4: Simplify right side
    18,085.79x = 252,782,574.50
  5. Step 5: Solve for x
    x = 252,782,574.50/18,085.79
  6. Step 6: Final answer
    x = 13,976.86

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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.