Home / 13,743.56-18,966.22-7,455.94

Finding the Fourth Proportional to 13,743.56, 18,966.22 and 7,455.94

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Solution

The fourth proportional to 13,743.56, 18,966.22 and 7,455.94 is: 10,289.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,743.56 : 18,966.22 = 7,455.94 : x
  2. Step 2: Convert to fraction form
    13,743.56/18,966.22 = 7,455.94/x
  3. Step 3: Cross multiply
    13,743.56x = 18,966.22 × 7,455.94
  4. Step 4: Simplify right side
    13,743.56x = 141,410,932.29
  5. Step 5: Solve for x
    x = 141,410,932.29/13,743.56
  6. Step 6: Final answer
    x = 10,289.25

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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.