Home / 16,129.74-24,158.88-12,404.64

Finding the Fourth Proportional to 16,129.74, 24,158.88 and 12,404.64

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Solution

The fourth proportional to 16,129.74, 24,158.88 and 12,404.64 is: 18,579.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,129.74 : 24,158.88 = 12,404.64 : x
  2. Step 2: Convert to fraction form
    16,129.74/24,158.88 = 12,404.64/x
  3. Step 3: Cross multiply
    16,129.74x = 24,158.88 × 12,404.64
  4. Step 4: Simplify right side
    16,129.74x = 299,682,209.20
  5. Step 5: Solve for x
    x = 299,682,209.20/16,129.74
  6. Step 6: Final answer
    x = 18,579.48

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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.