Home / 11,252.12-16,878.38-2,931.63

Finding the Fourth Proportional to 11,252.12, 16,878.38 and 2,931.63

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Solution

The fourth proportional to 11,252.12, 16,878.38 and 2,931.63 is: 4,397.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,252.12 : 16,878.38 = 2,931.63 : x
  2. Step 2: Convert to fraction form
    11,252.12/16,878.38 = 2,931.63/x
  3. Step 3: Cross multiply
    11,252.12x = 16,878.38 × 2,931.63
  4. Step 4: Simplify right side
    11,252.12x = 49,481,087.21
  5. Step 5: Solve for x
    x = 49,481,087.21/11,252.12
  6. Step 6: Final answer
    x = 4,397.49

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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.