Home / 11,230.65-16,823.70-9,845.55

Finding the Fourth Proportional to 11,230.65, 16,823.70 and 9,845.55

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Solution

The fourth proportional to 11,230.65, 16,823.70 and 9,845.55 is: 14,748.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,230.65 : 16,823.70 = 9,845.55 : x
  2. Step 2: Convert to fraction form
    11,230.65/16,823.70 = 9,845.55/x
  3. Step 3: Cross multiply
    11,230.65x = 16,823.70 × 9,845.55
  4. Step 4: Simplify right side
    11,230.65x = 165,638,579.54
  5. Step 5: Solve for x
    x = 165,638,579.54/11,230.65
  6. Step 6: Final answer
    x = 14,748.80

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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.