Home / 18,341.31-27,459.72-12,082.44

Finding the Fourth Proportional to 18,341.31, 27,459.72 and 12,082.44

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Solution

The fourth proportional to 18,341.31, 27,459.72 and 12,082.44 is: 18,089.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,341.31 : 27,459.72 = 12,082.44 : x
  2. Step 2: Convert to fraction form
    18,341.31/27,459.72 = 12,082.44/x
  3. Step 3: Cross multiply
    18,341.31x = 27,459.72 × 12,082.44
  4. Step 4: Simplify right side
    18,341.31x = 331,780,419.32
  5. Step 5: Solve for x
    x = 331,780,419.32/18,341.31
  6. Step 6: Final answer
    x = 18,089.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.