Home / 20,246.59-27,940.34-11,293.93

Finding the Fourth Proportional to 20,246.59, 27,940.34 and 11,293.93

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Solution

The fourth proportional to 20,246.59, 27,940.34 and 11,293.93 is: 15,585.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,246.59 : 27,940.34 = 11,293.93 : x
  2. Step 2: Convert to fraction form
    20,246.59/27,940.34 = 11,293.93/x
  3. Step 3: Cross multiply
    20,246.59x = 27,940.34 × 11,293.93
  4. Step 4: Simplify right side
    20,246.59x = 315,556,244.14
  5. Step 5: Solve for x
    x = 315,556,244.14/20,246.59
  6. Step 6: Final answer
    x = 15,585.65

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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.