Home / 13,524.28-18,662.84-7,554.76

Finding the Fourth Proportional to 13,524.28, 18,662.84 and 7,554.76

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Solution

The fourth proportional to 13,524.28, 18,662.84 and 7,554.76 is: 10,425.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,524.28 : 18,662.84 = 7,554.76 : x
  2. Step 2: Convert to fraction form
    13,524.28/18,662.84 = 7,554.76/x
  3. Step 3: Cross multiply
    13,524.28x = 18,662.84 × 7,554.76
  4. Step 4: Simplify right side
    13,524.28x = 140,993,277.12
  5. Step 5: Solve for x
    x = 140,993,277.12/13,524.28
  6. Step 6: Final answer
    x = 10,425.20

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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.