Home / 13,668.90-20,504.16-4,309.22

Finding the Fourth Proportional to 13,668.90, 20,504.16 and 4,309.22

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Solution

The fourth proportional to 13,668.90, 20,504.16 and 4,309.22 is: 6,464.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,668.90 : 20,504.16 = 4,309.22 : x
  2. Step 2: Convert to fraction form
    13,668.90/20,504.16 = 4,309.22/x
  3. Step 3: Cross multiply
    13,668.90x = 20,504.16 × 4,309.22
  4. Step 4: Simplify right side
    13,668.90x = 88,356,833.83
  5. Step 5: Solve for x
    x = 88,356,833.83/13,668.90
  6. Step 6: Final answer
    x = 6,464.08

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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.