Home / 11,744.09-16,206.83-6,439.25

Finding the Fourth Proportional to 11,744.09, 16,206.83 and 6,439.25

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Solution

The fourth proportional to 11,744.09, 16,206.83 and 6,439.25 is: 8,886.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,744.09 : 16,206.83 = 6,439.25 : x
  2. Step 2: Convert to fraction form
    11,744.09/16,206.83 = 6,439.25/x
  3. Step 3: Cross multiply
    11,744.09x = 16,206.83 × 6,439.25
  4. Step 4: Simplify right side
    11,744.09x = 104,359,830.08
  5. Step 5: Solve for x
    x = 104,359,830.08/11,744.09
  6. Step 6: Final answer
    x = 8,886.16

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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.