Home / 11,156.35-15,395.31-6,677.47

Finding the Fourth Proportional to 11,156.35, 15,395.31 and 6,677.47

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Solution

The fourth proportional to 11,156.35, 15,395.31 and 6,677.47 is: 9,214.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,156.35 : 15,395.31 = 6,677.47 : x
  2. Step 2: Convert to fraction form
    11,156.35/15,395.31 = 6,677.47/x
  3. Step 3: Cross multiply
    11,156.35x = 15,395.31 × 6,677.47
  4. Step 4: Simplify right side
    11,156.35x = 102,801,720.67
  5. Step 5: Solve for x
    x = 102,801,720.67/11,156.35
  6. Step 6: Final answer
    x = 9,214.64

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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.