Home / 20,470.26-30,668.31-9,386.22

Finding the Fourth Proportional to 20,470.26, 30,668.31 and 9,386.22

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Solution

The fourth proportional to 20,470.26, 30,668.31 and 9,386.22 is: 14,062.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,470.26 : 30,668.31 = 9,386.22 : x
  2. Step 2: Convert to fraction form
    20,470.26/30,668.31 = 9,386.22/x
  3. Step 3: Cross multiply
    20,470.26x = 30,668.31 × 9,386.22
  4. Step 4: Simplify right side
    20,470.26x = 287,859,504.69
  5. Step 5: Solve for x
    x = 287,859,504.69/20,470.26
  6. Step 6: Final answer
    x = 14,062.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.