Home / 18,668.26-28,006.83-5,341.45

Finding the Fourth Proportional to 18,668.26, 28,006.83 and 5,341.45

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Solution

The fourth proportional to 18,668.26, 28,006.83 and 5,341.45 is: 8,013.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,668.26 : 28,006.83 = 5,341.45 : x
  2. Step 2: Convert to fraction form
    18,668.26/28,006.83 = 5,341.45/x
  3. Step 3: Cross multiply
    18,668.26x = 28,006.83 × 5,341.45
  4. Step 4: Simplify right side
    18,668.26x = 149,597,082.10
  5. Step 5: Solve for x
    x = 149,597,082.10/18,668.26
  6. Step 6: Final answer
    x = 8,013.45

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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.