Home / 10,926.58-16,389.78-3,135.40

Finding the Fourth Proportional to 10,926.58, 16,389.78 and 3,135.40

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Solution

The fourth proportional to 10,926.58, 16,389.78 and 3,135.40 is: 4,703.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,926.58 : 16,389.78 = 3,135.40 : x
  2. Step 2: Convert to fraction form
    10,926.58/16,389.78 = 3,135.40/x
  3. Step 3: Cross multiply
    10,926.58x = 16,389.78 × 3,135.40
  4. Step 4: Simplify right side
    10,926.58x = 51,388,516.21
  5. Step 5: Solve for x
    x = 51,388,516.21/10,926.58
  6. Step 6: Final answer
    x = 4,703.07

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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.