Home / 11,607.44-16,021.64-7,071.76

Finding the Fourth Proportional to 11,607.44, 16,021.64 and 7,071.76

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Solution

The fourth proportional to 11,607.44, 16,021.64 and 7,071.76 is: 9,761.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,607.44 : 16,021.64 = 7,071.76 : x
  2. Step 2: Convert to fraction form
    11,607.44/16,021.64 = 7,071.76/x
  3. Step 3: Cross multiply
    11,607.44x = 16,021.64 × 7,071.76
  4. Step 4: Simplify right side
    11,607.44x = 113,301,192.89
  5. Step 5: Solve for x
    x = 113,301,192.89/11,607.44
  6. Step 6: Final answer
    x = 9,761.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.