Home / 16,089.72-24,143.64-12,569.85

Finding the Fourth Proportional to 16,089.72, 24,143.64 and 12,569.85

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Solution

The fourth proportional to 16,089.72, 24,143.64 and 12,569.85 is: 18,861.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,089.72 : 24,143.64 = 12,569.85 : x
  2. Step 2: Convert to fraction form
    16,089.72/24,143.64 = 12,569.85/x
  3. Step 3: Cross multiply
    16,089.72x = 24,143.64 × 12,569.85
  4. Step 4: Simplify right side
    16,089.72x = 303,481,933.25
  5. Step 5: Solve for x
    x = 303,481,933.25/16,089.72
  6. Step 6: Final answer
    x = 18,861.85

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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.