Home / 12,567.81-18,852.36-3,207.90

Finding the Fourth Proportional to 12,567.81, 18,852.36 and 3,207.90

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Solution

The fourth proportional to 12,567.81, 18,852.36 and 3,207.90 is: 4,812.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,567.81 : 18,852.36 = 3,207.90 : x
  2. Step 2: Convert to fraction form
    12,567.81/18,852.36 = 3,207.90/x
  3. Step 3: Cross multiply
    12,567.81x = 18,852.36 × 3,207.90
  4. Step 4: Simplify right side
    12,567.81x = 60,476,469.60
  5. Step 5: Solve for x
    x = 60,476,469.60/12,567.81
  6. Step 6: Final answer
    x = 4,812.01

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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.