Home / 16,728.84-25,081.83-7,964.64

Finding the Fourth Proportional to 16,728.84, 25,081.83 and 7,964.64

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Solution

The fourth proportional to 16,728.84, 25,081.83 and 7,964.64 is: 11,941.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,728.84 : 25,081.83 = 7,964.64 : x
  2. Step 2: Convert to fraction form
    16,728.84/25,081.83 = 7,964.64/x
  3. Step 3: Cross multiply
    16,728.84x = 25,081.83 × 7,964.64
  4. Step 4: Simplify right side
    16,728.84x = 199,767,746.49
  5. Step 5: Solve for x
    x = 199,767,746.49/16,728.84
  6. Step 6: Final answer
    x = 11,941.52

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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.