Home / 10,946.78-16,412.67-3,926.64

Finding the Fourth Proportional to 10,946.78, 16,412.67 and 3,926.64

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Solution

The fourth proportional to 10,946.78, 16,412.67 and 3,926.64 is: 5,887.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,946.78 : 16,412.67 = 3,926.64 : x
  2. Step 2: Convert to fraction form
    10,946.78/16,412.67 = 3,926.64/x
  3. Step 3: Cross multiply
    10,946.78x = 16,412.67 × 3,926.64
  4. Step 4: Simplify right side
    10,946.78x = 64,446,646.53
  5. Step 5: Solve for x
    x = 64,446,646.53/10,946.78
  6. Step 6: Final answer
    x = 5,887.27

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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.