Home / 10,684.71-14,742.41-6,208.65

Finding the Fourth Proportional to 10,684.71, 14,742.41 and 6,208.65

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Solution

The fourth proportional to 10,684.71, 14,742.41 and 6,208.65 is: 8,566.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,684.71 : 14,742.41 = 6,208.65 : x
  2. Step 2: Convert to fraction form
    10,684.71/14,742.41 = 6,208.65/x
  3. Step 3: Cross multiply
    10,684.71x = 14,742.41 × 6,208.65
  4. Step 4: Simplify right side
    10,684.71x = 91,530,432.80
  5. Step 5: Solve for x
    x = 91,530,432.80/10,684.71
  6. Step 6: Final answer
    x = 8,566.49

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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.