Home / 10,965.79-16,410.41-8,968.33

Finding the Fourth Proportional to 10,965.79, 16,410.41 and 8,968.33

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Solution

The fourth proportional to 10,965.79, 16,410.41 and 8,968.33 is: 13,421.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,965.79 : 16,410.41 = 8,968.33 : x
  2. Step 2: Convert to fraction form
    10,965.79/16,410.41 = 8,968.33/x
  3. Step 3: Cross multiply
    10,965.79x = 16,410.41 × 8,968.33
  4. Step 4: Simplify right side
    10,965.79x = 147,173,845.42
  5. Step 5: Solve for x
    x = 147,173,845.42/10,965.79
  6. Step 6: Final answer
    x = 13,421.19

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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.