Home / 11,143.65-16,714.04-4,217.25

Finding the Fourth Proportional to 11,143.65, 16,714.04 and 4,217.25

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Solution

The fourth proportional to 11,143.65, 16,714.04 and 4,217.25 is: 6,325.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,143.65 : 16,714.04 = 4,217.25 : x
  2. Step 2: Convert to fraction form
    11,143.65/16,714.04 = 4,217.25/x
  3. Step 3: Cross multiply
    11,143.65x = 16,714.04 × 4,217.25
  4. Step 4: Simplify right side
    11,143.65x = 70,487,264.10
  5. Step 5: Solve for x
    x = 70,487,264.10/11,143.65
  6. Step 6: Final answer
    x = 6,325.33

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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.