Home / 11,390.32-17,078.58-5,541.04

Finding the Fourth Proportional to 11,390.32, 17,078.58 and 5,541.04

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Solution

The fourth proportional to 11,390.32, 17,078.58 and 5,541.04 is: 8,308.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,390.32 : 17,078.58 = 5,541.04 : x
  2. Step 2: Convert to fraction form
    11,390.32/17,078.58 = 5,541.04/x
  3. Step 3: Cross multiply
    11,390.32x = 17,078.58 × 5,541.04
  4. Step 4: Simplify right side
    11,390.32x = 94,633,094.92
  5. Step 5: Solve for x
    x = 94,633,094.92/11,390.32
  6. Step 6: Final answer
    x = 8,308.20

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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.