Home / 11,156.72-15,395.36-6,677.48

Finding the Fourth Proportional to 11,156.72, 15,395.36 and 6,677.48

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Solution

The fourth proportional to 11,156.72, 15,395.36 and 6,677.48 is: 9,214.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,156.72 : 15,395.36 = 6,677.48 : x
  2. Step 2: Convert to fraction form
    11,156.72/15,395.36 = 6,677.48/x
  3. Step 3: Cross multiply
    11,156.72x = 15,395.36 × 6,677.48
  4. Step 4: Simplify right side
    11,156.72x = 102,802,098.13
  5. Step 5: Solve for x
    x = 102,802,098.13/11,156.72
  6. Step 6: Final answer
    x = 9,214.37

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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.