Home / 12,799.69-19,199.53-3,565.69

Finding the Fourth Proportional to 12,799.69, 19,199.53 and 3,565.69

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Solution

The fourth proportional to 12,799.69, 19,199.53 and 3,565.69 is: 5,348.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,799.69 : 19,199.53 = 3,565.69 : x
  2. Step 2: Convert to fraction form
    12,799.69/19,199.53 = 3,565.69/x
  3. Step 3: Cross multiply
    12,799.69x = 19,199.53 × 3,565.69
  4. Step 4: Simplify right side
    12,799.69x = 68,459,528.58
  5. Step 5: Solve for x
    x = 68,459,528.58/12,799.69
  6. Step 6: Final answer
    x = 5,348.53

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.