Home / 16,976.39-25,450.10-6,440.51

Finding the Fourth Proportional to 16,976.39, 25,450.10 and 6,440.51

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Solution

The fourth proportional to 16,976.39, 25,450.10 and 6,440.51 is: 9,655.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,976.39 : 25,450.10 = 6,440.51 : x
  2. Step 2: Convert to fraction form
    16,976.39/25,450.10 = 6,440.51/x
  3. Step 3: Cross multiply
    16,976.39x = 25,450.10 × 6,440.51
  4. Step 4: Simplify right side
    16,976.39x = 163,911,679.13
  5. Step 5: Solve for x
    x = 163,911,679.13/16,976.39
  6. Step 6: Final answer
    x = 9,655.28

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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.