Home / 12,949.14-19,423.72-5,548.80

Finding the Fourth Proportional to 12,949.14, 19,423.72 and 5,548.80

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Solution

The fourth proportional to 12,949.14, 19,423.72 and 5,548.80 is: 8,323.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,949.14 : 19,423.72 = 5,548.80 : x
  2. Step 2: Convert to fraction form
    12,949.14/19,423.72 = 5,548.80/x
  3. Step 3: Cross multiply
    12,949.14x = 19,423.72 × 5,548.80
  4. Step 4: Simplify right side
    12,949.14x = 107,778,337.54
  5. Step 5: Solve for x
    x = 107,778,337.54/12,949.14
  6. Step 6: Final answer
    x = 8,323.20

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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.