Home / 10,668.21-14,724.77-6,479.97

Finding the Fourth Proportional to 10,668.21, 14,724.77 and 6,479.97

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Solution

The fourth proportional to 10,668.21, 14,724.77 and 6,479.97 is: 8,943.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,668.21 : 14,724.77 = 6,479.97 : x
  2. Step 2: Convert to fraction form
    10,668.21/14,724.77 = 6,479.97/x
  3. Step 3: Cross multiply
    10,668.21x = 14,724.77 × 6,479.97
  4. Step 4: Simplify right side
    10,668.21x = 95,416,035.46
  5. Step 5: Solve for x
    x = 95,416,035.46/10,668.21
  6. Step 6: Final answer
    x = 8,943.96

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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.