Home / 11,528.32-17,291.90-3,208.28

Finding the Fourth Proportional to 11,528.32, 17,291.90 and 3,208.28

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Solution

The fourth proportional to 11,528.32, 17,291.90 and 3,208.28 is: 4,812.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,528.32 : 17,291.90 = 3,208.28 : x
  2. Step 2: Convert to fraction form
    11,528.32/17,291.90 = 3,208.28/x
  3. Step 3: Cross multiply
    11,528.32x = 17,291.90 × 3,208.28
  4. Step 4: Simplify right side
    11,528.32x = 55,477,256.93
  5. Step 5: Solve for x
    x = 55,477,256.93/11,528.32
  6. Step 6: Final answer
    x = 4,812.26

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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.