Home / 13,459.42-20,187.54-3,599.46

Finding the Fourth Proportional to 13,459.42, 20,187.54 and 3,599.46

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Solution

The fourth proportional to 13,459.42, 20,187.54 and 3,599.46 is: 5,398.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,459.42 : 20,187.54 = 3,599.46 : x
  2. Step 2: Convert to fraction form
    13,459.42/20,187.54 = 3,599.46/x
  3. Step 3: Cross multiply
    13,459.42x = 20,187.54 × 3,599.46
  4. Step 4: Simplify right side
    13,459.42x = 72,664,242.73
  5. Step 5: Solve for x
    x = 72,664,242.73/13,459.42
  6. Step 6: Final answer
    x = 5,398.76

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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.