Home / 19,668.14-27,142.06-11,710.64

Finding the Fourth Proportional to 19,668.14, 27,142.06 and 11,710.64

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Solution

The fourth proportional to 19,668.14, 27,142.06 and 11,710.64 is: 16,160.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,668.14 : 27,142.06 = 11,710.64 : x
  2. Step 2: Convert to fraction form
    19,668.14/27,142.06 = 11,710.64/x
  3. Step 3: Cross multiply
    19,668.14x = 27,142.06 × 11,710.64
  4. Step 4: Simplify right side
    19,668.14x = 317,850,893.52
  5. Step 5: Solve for x
    x = 317,850,893.52/19,668.14
  6. Step 6: Final answer
    x = 16,160.70

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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.