Home / 11,507.05-17,260.88-4,486.78

Finding the Fourth Proportional to 11,507.05, 17,260.88 and 4,486.78

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Solution

The fourth proportional to 11,507.05, 17,260.88 and 4,486.78 is: 6,730.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,507.05 : 17,260.88 = 4,486.78 : x
  2. Step 2: Convert to fraction form
    11,507.05/17,260.88 = 4,486.78/x
  3. Step 3: Cross multiply
    11,507.05x = 17,260.88 × 4,486.78
  4. Step 4: Simplify right side
    11,507.05x = 77,445,771.17
  5. Step 5: Solve for x
    x = 77,445,771.17/11,507.05
  6. Step 6: Final answer
    x = 6,730.29

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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.