Home / 13,668.19-20,506.83-4,903.79

Finding the Fourth Proportional to 13,668.19, 20,506.83 and 4,903.79

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Solution

The fourth proportional to 13,668.19, 20,506.83 and 4,903.79 is: 7,357.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,668.19 : 20,506.83 = 4,903.79 : x
  2. Step 2: Convert to fraction form
    13,668.19/20,506.83 = 4,903.79/x
  3. Step 3: Cross multiply
    13,668.19x = 20,506.83 × 4,903.79
  4. Step 4: Simplify right side
    13,668.19x = 100,561,085.35
  5. Step 5: Solve for x
    x = 100,561,085.35/13,668.19
  6. Step 6: Final answer
    x = 7,357.31

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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.