Home / 13,458.97-20,190.61-5,668.93

Finding the Fourth Proportional to 13,458.97, 20,190.61 and 5,668.93

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Solution

The fourth proportional to 13,458.97, 20,190.61 and 5,668.93 is: 8,504.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,458.97 : 20,190.61 = 5,668.93 : x
  2. Step 2: Convert to fraction form
    13,458.97/20,190.61 = 5,668.93/x
  3. Step 3: Cross multiply
    13,458.97x = 20,190.61 × 5,668.93
  4. Step 4: Simplify right side
    13,458.97x = 114,459,053.79
  5. Step 5: Solve for x
    x = 114,459,053.79/13,458.97
  6. Step 6: Final answer
    x = 8,504.30

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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.