Home / 14,636.99-20,204.28-8,668.71

Finding the Fourth Proportional to 14,636.99, 20,204.28 and 8,668.71

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Solution

The fourth proportional to 14,636.99, 20,204.28 and 8,668.71 is: 11,965.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,636.99 : 20,204.28 = 8,668.71 : x
  2. Step 2: Convert to fraction form
    14,636.99/20,204.28 = 8,668.71/x
  3. Step 3: Cross multiply
    14,636.99x = 20,204.28 × 8,668.71
  4. Step 4: Simplify right side
    14,636.99x = 175,145,044.08
  5. Step 5: Solve for x
    x = 175,145,044.08/14,636.99
  6. Step 6: Final answer
    x = 11,965.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.