Home / 13,029.89-19,544.85-3,169.10

Finding the Fourth Proportional to 13,029.89, 19,544.85 and 3,169.10

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Solution

The fourth proportional to 13,029.89, 19,544.85 and 3,169.10 is: 4,753.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,029.89 : 19,544.85 = 3,169.10 : x
  2. Step 2: Convert to fraction form
    13,029.89/19,544.85 = 3,169.10/x
  3. Step 3: Cross multiply
    13,029.89x = 19,544.85 × 3,169.10
  4. Step 4: Simplify right side
    13,029.89x = 61,939,527.35
  5. Step 5: Solve for x
    x = 61,939,527.35/13,029.89
  6. Step 6: Final answer
    x = 4,753.65

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Double scale
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Similar ratio
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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.