Home / 12,567.82-18,851.72-3,207.84

Finding the Fourth Proportional to 12,567.82, 18,851.72 and 3,207.84

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Solution

The fourth proportional to 12,567.82, 18,851.72 and 3,207.84 is: 4,811.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,567.82 : 18,851.72 = 3,207.84 : x
  2. Step 2: Convert to fraction form
    12,567.82/18,851.72 = 3,207.84/x
  3. Step 3: Cross multiply
    12,567.82x = 18,851.72 × 3,207.84
  4. Step 4: Simplify right side
    12,567.82x = 60,473,301.48
  5. Step 5: Solve for x
    x = 60,473,301.48/12,567.82
  6. Step 6: Final answer
    x = 4,811.76

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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.