Home / 12,567.98-18,851.52-3,207.92

Finding the Fourth Proportional to 12,567.98, 18,851.52 and 3,207.92

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Solution

The fourth proportional to 12,567.98, 18,851.52 and 3,207.92 is: 4,811.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,567.98 : 18,851.52 = 3,207.92 : x
  2. Step 2: Convert to fraction form
    12,567.98/18,851.52 = 3,207.92/x
  3. Step 3: Cross multiply
    12,567.98x = 18,851.52 × 3,207.92
  4. Step 4: Simplify right side
    12,567.98x = 60,474,168.04
  5. Step 5: Solve for x
    x = 60,474,168.04/12,567.98
  6. Step 6: Final answer
    x = 4,811.77

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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.