Home / 11,528.20-17,289.57-5,284.32

Finding the Fourth Proportional to 11,528.20, 17,289.57 and 5,284.32

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Solution

The fourth proportional to 11,528.20, 17,289.57 and 5,284.32 is: 7,925.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,528.20 : 17,289.57 = 5,284.32 : x
  2. Step 2: Convert to fraction form
    11,528.20/17,289.57 = 5,284.32/x
  3. Step 3: Cross multiply
    11,528.20x = 17,289.57 × 5,284.32
  4. Step 4: Simplify right side
    11,528.20x = 91,363,620.54
  5. Step 5: Solve for x
    x = 91,363,620.54/11,528.20
  6. Step 6: Final answer
    x = 7,925.23

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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.