Home / 11,051.38-16,497.73-9,390.34

Finding the Fourth Proportional to 11,051.38, 16,497.73 and 9,390.34

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Solution

The fourth proportional to 11,051.38, 16,497.73 and 9,390.34 is: 14,018.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,051.38 : 16,497.73 = 9,390.34 : x
  2. Step 2: Convert to fraction form
    11,051.38/16,497.73 = 9,390.34/x
  3. Step 3: Cross multiply
    11,051.38x = 16,497.73 × 9,390.34
  4. Step 4: Simplify right side
    11,051.38x = 154,919,293.93
  5. Step 5: Solve for x
    x = 154,919,293.93/11,051.38
  6. Step 6: Final answer
    x = 14,018.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.