Home / 10,929.42-16,396.56-3,137.64

Finding the Fourth Proportional to 10,929.42, 16,396.56 and 3,137.64

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Solution

The fourth proportional to 10,929.42, 16,396.56 and 3,137.64 is: 4,707.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,929.42 : 16,396.56 = 3,137.64 : x
  2. Step 2: Convert to fraction form
    10,929.42/16,396.56 = 3,137.64/x
  3. Step 3: Cross multiply
    10,929.42x = 16,396.56 × 3,137.64
  4. Step 4: Simplify right side
    10,929.42x = 51,446,502.52
  5. Step 5: Solve for x
    x = 51,446,502.52/10,929.42
  6. Step 6: Final answer
    x = 4,707.16

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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.