Home / 12,346.05-18,523.40-3,581.49

Finding the Fourth Proportional to 12,346.05, 18,523.40 and 3,581.49

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Solution

The fourth proportional to 12,346.05, 18,523.40 and 3,581.49 is: 5,373.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,346.05 : 18,523.40 = 3,581.49 : x
  2. Step 2: Convert to fraction form
    12,346.05/18,523.40 = 3,581.49/x
  3. Step 3: Cross multiply
    12,346.05x = 18,523.40 × 3,581.49
  4. Step 4: Simplify right side
    12,346.05x = 66,341,353.96
  5. Step 5: Solve for x
    x = 66,341,353.96/12,346.05
  6. Step 6: Final answer
    x = 5,373.49

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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.