Home / 12,835.35-17,702.62-7,799.45

Finding the Fourth Proportional to 12,835.35, 17,702.62 and 7,799.45

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Solution

The fourth proportional to 12,835.35, 17,702.62 and 7,799.45 is: 10,757.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,835.35 : 17,702.62 = 7,799.45 : x
  2. Step 2: Convert to fraction form
    12,835.35/17,702.62 = 7,799.45/x
  3. Step 3: Cross multiply
    12,835.35x = 17,702.62 × 7,799.45
  4. Step 4: Simplify right side
    12,835.35x = 138,070,591.55
  5. Step 5: Solve for x
    x = 138,070,591.55/12,835.35
  6. Step 6: Final answer
    x = 10,757.06

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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.