Home / 9,789.04-13,504.68-6,435.64

Finding the Fourth Proportional to 9,789.04, 13,504.68 and 6,435.64

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Solution

The fourth proportional to 9,789.04, 13,504.68 and 6,435.64 is: 8,878.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,789.04 : 13,504.68 = 6,435.64 : x
  2. Step 2: Convert to fraction form
    9,789.04/13,504.68 = 6,435.64/x
  3. Step 3: Cross multiply
    9,789.04x = 13,504.68 × 6,435.64
  4. Step 4: Simplify right side
    9,789.04x = 86,911,258.80
  5. Step 5: Solve for x
    x = 86,911,258.80/9,789.04
  6. Step 6: Final answer
    x = 8,878.43

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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.