Home / 16,986.48-25,479.72-7,747.44

Finding the Fourth Proportional to 16,986.48, 25,479.72 and 7,747.44

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Solution

The fourth proportional to 16,986.48, 25,479.72 and 7,747.44 is: 11,621.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,986.48 : 25,479.72 = 7,747.44 : x
  2. Step 2: Convert to fraction form
    16,986.48/25,479.72 = 7,747.44/x
  3. Step 3: Cross multiply
    16,986.48x = 25,479.72 × 7,747.44
  4. Step 4: Simplify right side
    16,986.48x = 197,402,601.92
  5. Step 5: Solve for x
    x = 197,402,601.92/16,986.48
  6. Step 6: Final answer
    x = 11,621.16

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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.