Home / 14,185.10-21,246.65-11,691.92

Finding the Fourth Proportional to 14,185.10, 21,246.65 and 11,691.92

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Solution

The fourth proportional to 14,185.10, 21,246.65 and 11,691.92 is: 17,512.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,185.10 : 21,246.65 = 11,691.92 : x
  2. Step 2: Convert to fraction form
    14,185.10/21,246.65 = 11,691.92/x
  3. Step 3: Cross multiply
    14,185.10x = 21,246.65 × 11,691.92
  4. Step 4: Simplify right side
    14,185.10x = 248,413,967.38
  5. Step 5: Solve for x
    x = 248,413,967.38/14,185.10
  6. Step 6: Final answer
    x = 17,512.32

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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.