Home / 12,554.96-18,821.28-4,769.24

Finding the Fourth Proportional to 12,554.96, 18,821.28 and 4,769.24

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Solution

The fourth proportional to 12,554.96, 18,821.28 and 4,769.24 is: 7,149.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,554.96 : 18,821.28 = 4,769.24 : x
  2. Step 2: Convert to fraction form
    12,554.96/18,821.28 = 4,769.24/x
  3. Step 3: Cross multiply
    12,554.96x = 18,821.28 × 4,769.24
  4. Step 4: Simplify right side
    12,554.96x = 89,763,201.43
  5. Step 5: Solve for x
    x = 89,763,201.43/12,554.96
  6. Step 6: Final answer
    x = 7,149.62

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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.