Home / 12,553.24-18,818.24-4,651.35

Finding the Fourth Proportional to 12,553.24, 18,818.24 and 4,651.35

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Solution

The fourth proportional to 12,553.24, 18,818.24 and 4,651.35 is: 6,972.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,553.24 : 18,818.24 = 4,651.35 : x
  2. Step 2: Convert to fraction form
    12,553.24/18,818.24 = 4,651.35/x
  3. Step 3: Cross multiply
    12,553.24x = 18,818.24 × 4,651.35
  4. Step 4: Simplify right side
    12,553.24x = 87,530,267.94
  5. Step 5: Solve for x
    x = 87,530,267.94/12,553.24
  6. Step 6: Final answer
    x = 6,972.72

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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.