Home / 10,635.85-14,674.95-8,940.79

Finding the Fourth Proportional to 10,635.85, 14,674.95 and 8,940.79

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Solution

The fourth proportional to 10,635.85, 14,674.95 and 8,940.79 is: 12,336.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,635.85 : 14,674.95 = 8,940.79 : x
  2. Step 2: Convert to fraction form
    10,635.85/14,674.95 = 8,940.79/x
  3. Step 3: Cross multiply
    10,635.85x = 14,674.95 × 8,940.79
  4. Step 4: Simplify right side
    10,635.85x = 131,205,609.52
  5. Step 5: Solve for x
    x = 131,205,609.52/10,635.85
  6. Step 6: Final answer
    x = 12,336.17

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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.