Home / 12,884.20-19,310.70-5,473.10

Finding the Fourth Proportional to 12,884.20, 19,310.70 and 5,473.10

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Solution

The fourth proportional to 12,884.20, 19,310.70 and 5,473.10 is: 8,203.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,884.20 : 19,310.70 = 5,473.10 : x
  2. Step 2: Convert to fraction form
    12,884.20/19,310.70 = 5,473.10/x
  3. Step 3: Cross multiply
    12,884.20x = 19,310.70 × 5,473.10
  4. Step 4: Simplify right side
    12,884.20x = 105,689,392.17
  5. Step 5: Solve for x
    x = 105,689,392.17/12,884.20
  6. Step 6: Final answer
    x = 8,203.02

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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.