Home / 10,784.57-16,170.48-4,203.08

Finding the Fourth Proportional to 10,784.57, 16,170.48 and 4,203.08

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Solution

The fourth proportional to 10,784.57, 16,170.48 and 4,203.08 is: 6,302.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,784.57 : 16,170.48 = 4,203.08 : x
  2. Step 2: Convert to fraction form
    10,784.57/16,170.48 = 4,203.08/x
  3. Step 3: Cross multiply
    10,784.57x = 16,170.48 × 4,203.08
  4. Step 4: Simplify right side
    10,784.57x = 67,965,719.21
  5. Step 5: Solve for x
    x = 67,965,719.21/10,784.57
  6. Step 6: Final answer
    x = 6,302.13

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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.