Home / 19,743.52-27,237.30-11,781.12

Finding the Fourth Proportional to 19,743.52, 27,237.30 and 11,781.12

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Solution

The fourth proportional to 19,743.52, 27,237.30 and 11,781.12 is: 16,252.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,743.52 : 27,237.30 = 11,781.12 : x
  2. Step 2: Convert to fraction form
    19,743.52/27,237.30 = 11,781.12/x
  3. Step 3: Cross multiply
    19,743.52x = 27,237.30 × 11,781.12
  4. Step 4: Simplify right side
    19,743.52x = 320,885,899.78
  5. Step 5: Solve for x
    x = 320,885,899.78/19,743.52
  6. Step 6: Final answer
    x = 16,252.72

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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.