Home / 12,553.44-18,827.28-4,761.24

Finding the Fourth Proportional to 12,553.44, 18,827.28 and 4,761.24

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Solution

The fourth proportional to 12,553.44, 18,827.28 and 4,761.24 is: 7,140.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,553.44 : 18,827.28 = 4,761.24 : x
  2. Step 2: Convert to fraction form
    12,553.44/18,827.28 = 4,761.24/x
  3. Step 3: Cross multiply
    12,553.44x = 18,827.28 × 4,761.24
  4. Step 4: Simplify right side
    12,553.44x = 89,641,198.63
  5. Step 5: Solve for x
    x = 89,641,198.63/12,553.44
  6. Step 6: Final answer
    x = 7,140.77

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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.