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Finding the Fourth Proportional to 14,383.85, 19,839.48 and 9,601.38

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Solution

The fourth proportional to 14,383.85, 19,839.48 and 9,601.38 is: 13,243.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,383.85 : 19,839.48 = 9,601.38 : x
  2. Step 2: Convert to fraction form
    14,383.85/19,839.48 = 9,601.38/x
  3. Step 3: Cross multiply
    14,383.85x = 19,839.48 × 9,601.38
  4. Step 4: Simplify right side
    14,383.85x = 190,486,263.28
  5. Step 5: Solve for x
    x = 190,486,263.28/14,383.85
  6. Step 6: Final answer
    x = 13,243.07

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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.