Home / 11,145.84-16,718.82-3,354.60

Finding the Fourth Proportional to 11,145.84, 16,718.82 and 3,354.60

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Solution

The fourth proportional to 11,145.84, 16,718.82 and 3,354.60 is: 5,031.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,145.84 : 16,718.82 = 3,354.60 : x
  2. Step 2: Convert to fraction form
    11,145.84/16,718.82 = 3,354.60/x
  3. Step 3: Cross multiply
    11,145.84x = 16,718.82 × 3,354.60
  4. Step 4: Simplify right side
    11,145.84x = 56,084,953.57
  5. Step 5: Solve for x
    x = 56,084,953.57/11,145.84
  6. Step 6: Final answer
    x = 5,031.92

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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.