Home / 20,529.04-30,765.24-9,408.08

Finding the Fourth Proportional to 20,529.04, 30,765.24 and 9,408.08

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Solution

The fourth proportional to 20,529.04, 30,765.24 and 9,408.08 is: 14,099.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,529.04 : 30,765.24 = 9,408.08 : x
  2. Step 2: Convert to fraction form
    20,529.04/30,765.24 = 9,408.08/x
  3. Step 3: Cross multiply
    20,529.04x = 30,765.24 × 9,408.08
  4. Step 4: Simplify right side
    20,529.04x = 289,441,839.14
  5. Step 5: Solve for x
    x = 289,441,839.14/20,529.04
  6. Step 6: Final answer
    x = 14,099.14

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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.