Home / 10,929.90-16,396.65-3,536.22

Finding the Fourth Proportional to 10,929.90, 16,396.65 and 3,536.22

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Solution

The fourth proportional to 10,929.90, 16,396.65 and 3,536.22 is: 5,304.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,929.90 : 16,396.65 = 3,536.22 : x
  2. Step 2: Convert to fraction form
    10,929.90/16,396.65 = 3,536.22/x
  3. Step 3: Cross multiply
    10,929.90x = 16,396.65 × 3,536.22
  4. Step 4: Simplify right side
    10,929.90x = 57,982,161.66
  5. Step 5: Solve for x
    x = 57,982,161.66/10,929.90
  6. Step 6: Final answer
    x = 5,304.91

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1.5x scale

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.