Home / 13,082.21-18,052.56-7,416.39

Finding the Fourth Proportional to 13,082.21, 18,052.56 and 7,416.39

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Solution

The fourth proportional to 13,082.21, 18,052.56 and 7,416.39 is: 10,234.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,082.21 : 18,052.56 = 7,416.39 : x
  2. Step 2: Convert to fraction form
    13,082.21/18,052.56 = 7,416.39/x
  3. Step 3: Cross multiply
    13,082.21x = 18,052.56 × 7,416.39
  4. Step 4: Simplify right side
    13,082.21x = 133,884,825.46
  5. Step 5: Solve for x
    x = 133,884,825.46/13,082.21
  6. Step 6: Final answer
    x = 10,234.12

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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.