Home / 20,302.53-30,450.08-9,206.55

Finding the Fourth Proportional to 20,302.53, 30,450.08 and 9,206.55

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Solution

The fourth proportional to 20,302.53, 30,450.08 and 9,206.55 is: 13,808.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,302.53 : 30,450.08 = 9,206.55 : x
  2. Step 2: Convert to fraction form
    20,302.53/30,450.08 = 9,206.55/x
  3. Step 3: Cross multiply
    20,302.53x = 30,450.08 × 9,206.55
  4. Step 4: Simplify right side
    20,302.53x = 280,340,137.99
  5. Step 5: Solve for x
    x = 280,340,137.99/20,302.53
  6. Step 6: Final answer
    x = 13,808.14

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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.