Home / 9,639.68-13,298.82-6,496.88

Finding the Fourth Proportional to 9,639.68, 13,298.82 and 6,496.88

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Solution

The fourth proportional to 9,639.68, 13,298.82 and 6,496.88 is: 8,963.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,639.68 : 13,298.82 = 6,496.88 : x
  2. Step 2: Convert to fraction form
    9,639.68/13,298.82 = 6,496.88/x
  3. Step 3: Cross multiply
    9,639.68x = 13,298.82 × 6,496.88
  4. Step 4: Simplify right side
    9,639.68x = 86,400,837.68
  5. Step 5: Solve for x
    x = 86,400,837.68/9,639.68
  6. Step 6: Final answer
    x = 8,963.04

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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.