Home / 13,668.48-20,498.64-5,348.16

Finding the Fourth Proportional to 13,668.48, 20,498.64 and 5,348.16

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Solution

The fourth proportional to 13,668.48, 20,498.64 and 5,348.16 is: 8,020.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,668.48 : 20,498.64 = 5,348.16 : x
  2. Step 2: Convert to fraction form
    13,668.48/20,498.64 = 5,348.16/x
  3. Step 3: Cross multiply
    13,668.48x = 20,498.64 × 5,348.16
  4. Step 4: Simplify right side
    13,668.48x = 109,630,006.50
  5. Step 5: Solve for x
    x = 109,630,006.50/13,668.48
  6. Step 6: Final answer
    x = 8,020.64

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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.