Home / 9,725.28-13,511.49-9,608.64

Finding the Fourth Proportional to 9,725.28, 13,511.49 and 9,608.64

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Solution

The fourth proportional to 9,725.28, 13,511.49 and 9,608.64 is: 13,349.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,725.28 : 13,511.49 = 9,608.64 : x
  2. Step 2: Convert to fraction form
    9,725.28/13,511.49 = 9,608.64/x
  3. Step 3: Cross multiply
    9,725.28x = 13,511.49 × 9,608.64
  4. Step 4: Simplify right side
    9,725.28x = 129,827,043.27
  5. Step 5: Solve for x
    x = 129,827,043.27/9,725.28
  6. Step 6: Final answer
    x = 13,349.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.