Home / 11,403.04-17,106.20-3,609.20

Finding the Fourth Proportional to 11,403.04, 17,106.20 and 3,609.20

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Solution

The fourth proportional to 11,403.04, 17,106.20 and 3,609.20 is: 5,414.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,403.04 : 17,106.20 = 3,609.20 : x
  2. Step 2: Convert to fraction form
    11,403.04/17,106.20 = 3,609.20/x
  3. Step 3: Cross multiply
    11,403.04x = 17,106.20 × 3,609.20
  4. Step 4: Simplify right side
    11,403.04x = 61,739,697.04
  5. Step 5: Solve for x
    x = 61,739,697.04/11,403.04
  6. Step 6: Final answer
    x = 5,414.32

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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.