Home / 13,743.26-18,965.82-7,455.76

Finding the Fourth Proportional to 13,743.26, 18,965.82 and 7,455.76

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Solution

The fourth proportional to 13,743.26, 18,965.82 and 7,455.76 is: 10,289.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,743.26 : 18,965.82 = 7,455.76 : x
  2. Step 2: Convert to fraction form
    13,743.26/18,965.82 = 7,455.76/x
  3. Step 3: Cross multiply
    13,743.26x = 18,965.82 × 7,455.76
  4. Step 4: Simplify right side
    13,743.26x = 141,404,602.12
  5. Step 5: Solve for x
    x = 141,404,602.12/13,743.26
  6. Step 6: Final answer
    x = 10,289.01

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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.