Home / 11,338.16-17,018.40-7,445.36

Finding the Fourth Proportional to 11,338.16, 17,018.40 and 7,445.36

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Solution

The fourth proportional to 11,338.16, 17,018.40 and 7,445.36 is: 11,175.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,338.16 : 17,018.40 = 7,445.36 : x
  2. Step 2: Convert to fraction form
    11,338.16/17,018.40 = 7,445.36/x
  3. Step 3: Cross multiply
    11,338.16x = 17,018.40 × 7,445.36
  4. Step 4: Simplify right side
    11,338.16x = 126,708,114.62
  5. Step 5: Solve for x
    x = 126,708,114.62/11,338.16
  6. Step 6: Final answer
    x = 11,175.37

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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.