Home / 11,809.40-16,296.72-6,504.08

Finding the Fourth Proportional to 11,809.40, 16,296.72 and 6,504.08

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Solution

The fourth proportional to 11,809.40, 16,296.72 and 6,504.08 is: 8,975.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,809.40 : 16,296.72 = 6,504.08 : x
  2. Step 2: Convert to fraction form
    11,809.40/16,296.72 = 6,504.08/x
  3. Step 3: Cross multiply
    11,809.40x = 16,296.72 × 6,504.08
  4. Step 4: Simplify right side
    11,809.40x = 105,995,170.62
  5. Step 5: Solve for x
    x = 105,995,170.62/11,809.40
  6. Step 6: Final answer
    x = 8,975.49

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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.