Home / 12,157.27-16,776.91-6,853.79

Finding the Fourth Proportional to 12,157.27, 16,776.91 and 6,853.79

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Solution

The fourth proportional to 12,157.27, 16,776.91 and 6,853.79 is: 9,458.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,157.27 : 16,776.91 = 6,853.79 : x
  2. Step 2: Convert to fraction form
    12,157.27/16,776.91 = 6,853.79/x
  3. Step 3: Cross multiply
    12,157.27x = 16,776.91 × 6,853.79
  4. Step 4: Simplify right side
    12,157.27x = 114,985,429.95
  5. Step 5: Solve for x
    x = 114,985,429.95/12,157.27
  6. Step 6: Final answer
    x = 9,458.16

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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.