Home / 16,212.12-24,318.14-12,519.72

Finding the Fourth Proportional to 16,212.12, 24,318.14 and 12,519.72

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Solution

The fourth proportional to 16,212.12, 24,318.14 and 12,519.72 is: 18,779.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,212.12 : 24,318.14 = 12,519.72 : x
  2. Step 2: Convert to fraction form
    16,212.12/24,318.14 = 12,519.72/x
  3. Step 3: Cross multiply
    16,212.12x = 24,318.14 × 12,519.72
  4. Step 4: Simplify right side
    16,212.12x = 304,456,303.72
  5. Step 5: Solve for x
    x = 304,456,303.72/16,212.12
  6. Step 6: Final answer
    x = 18,779.55

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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.