Home / 14,087.64-19,440.62-7,714.04

Finding the Fourth Proportional to 14,087.64, 19,440.62 and 7,714.04

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Solution

The fourth proportional to 14,087.64, 19,440.62 and 7,714.04 is: 10,645.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,087.64 : 19,440.62 = 7,714.04 : x
  2. Step 2: Convert to fraction form
    14,087.64/19,440.62 = 7,714.04/x
  3. Step 3: Cross multiply
    14,087.64x = 19,440.62 × 7,714.04
  4. Step 4: Simplify right side
    14,087.64x = 149,965,720.30
  5. Step 5: Solve for x
    x = 149,965,720.30/14,087.64
  6. Step 6: Final answer
    x = 10,645.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.