Home / 12,572.96-18,860.35-4,253.85

Finding the Fourth Proportional to 12,572.96, 18,860.35 and 4,253.85

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Solution

The fourth proportional to 12,572.96, 18,860.35 and 4,253.85 is: 6,381.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,572.96 : 18,860.35 = 4,253.85 : x
  2. Step 2: Convert to fraction form
    12,572.96/18,860.35 = 4,253.85/x
  3. Step 3: Cross multiply
    12,572.96x = 18,860.35 × 4,253.85
  4. Step 4: Simplify right side
    12,572.96x = 80,229,099.85
  5. Step 5: Solve for x
    x = 80,229,099.85/12,572.96
  6. Step 6: Final answer
    x = 6,381.08

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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.