Home / 10,812.24-14,920.98-6,336.12

Finding the Fourth Proportional to 10,812.24, 14,920.98 and 6,336.12

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Solution

The fourth proportional to 10,812.24, 14,920.98 and 6,336.12 is: 8,743.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,812.24 : 14,920.98 = 6,336.12 : x
  2. Step 2: Convert to fraction form
    10,812.24/14,920.98 = 6,336.12/x
  3. Step 3: Cross multiply
    10,812.24x = 14,920.98 × 6,336.12
  4. Step 4: Simplify right side
    10,812.24x = 94,541,119.80
  5. Step 5: Solve for x
    x = 94,541,119.80/10,812.24
  6. Step 6: Final answer
    x = 8,743.90

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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.