Home / 18,500.34-25,540.35-12,459.24

Finding the Fourth Proportional to 18,500.34, 25,540.35 and 12,459.24

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Solution

The fourth proportional to 18,500.34, 25,540.35 and 12,459.24 is: 17,200.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,500.34 : 25,540.35 = 12,459.24 : x
  2. Step 2: Convert to fraction form
    18,500.34/25,540.35 = 12,459.24/x
  3. Step 3: Cross multiply
    18,500.34x = 25,540.35 × 12,459.24
  4. Step 4: Simplify right side
    18,500.34x = 318,213,350.33
  5. Step 5: Solve for x
    x = 318,213,350.33/18,500.34
  6. Step 6: Final answer
    x = 17,200.41

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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.