Home / 11,403.44-17,111.64-7,031.60

Finding the Fourth Proportional to 11,403.44, 17,111.64 and 7,031.60

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Solution

The fourth proportional to 11,403.44, 17,111.64 and 7,031.60 is: 10,551.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,403.44 : 17,111.64 = 7,031.60 : x
  2. Step 2: Convert to fraction form
    11,403.44/17,111.64 = 7,031.60/x
  3. Step 3: Cross multiply
    11,403.44x = 17,111.64 × 7,031.60
  4. Step 4: Simplify right side
    11,403.44x = 120,322,207.82
  5. Step 5: Solve for x
    x = 120,322,207.82/11,403.44
  6. Step 6: Final answer
    x = 10,551.40

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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.