Home / 20,302.03-30,449.33-9,206.04

Finding the Fourth Proportional to 20,302.03, 30,449.33 and 9,206.04

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Solution

The fourth proportional to 20,302.03, 30,449.33 and 9,206.04 is: 13,807.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,302.03 : 30,449.33 = 9,206.04 : x
  2. Step 2: Convert to fraction form
    20,302.03/30,449.33 = 9,206.04/x
  3. Step 3: Cross multiply
    20,302.03x = 30,449.33 × 9,206.04
  4. Step 4: Simplify right side
    20,302.03x = 280,317,749.95
  5. Step 5: Solve for x
    x = 280,317,749.95/20,302.03
  6. Step 6: Final answer
    x = 13,807.38

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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.