Home / 18,827.64-25,979.13-11,668.86

Finding the Fourth Proportional to 18,827.64, 25,979.13 and 11,668.86

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Solution

The fourth proportional to 18,827.64, 25,979.13 and 11,668.86 is: 16,101.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,827.64 : 25,979.13 = 11,668.86 : x
  2. Step 2: Convert to fraction form
    18,827.64/25,979.13 = 11,668.86/x
  3. Step 3: Cross multiply
    18,827.64x = 25,979.13 × 11,668.86
  4. Step 4: Simplify right side
    18,827.64x = 303,146,830.89
  5. Step 5: Solve for x
    x = 303,146,830.89/18,827.64
  6. Step 6: Final answer
    x = 16,101.16

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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.