Home / 11,140.50-15,373.89-6,664.44

Finding the Fourth Proportional to 11,140.50, 15,373.89 and 6,664.44

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Solution

The fourth proportional to 11,140.50, 15,373.89 and 6,664.44 is: 9,196.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,140.50 : 15,373.89 = 6,664.44 : x
  2. Step 2: Convert to fraction form
    11,140.50/15,373.89 = 6,664.44/x
  3. Step 3: Cross multiply
    11,140.50x = 15,373.89 × 6,664.44
  4. Step 4: Simplify right side
    11,140.50x = 102,458,367.47
  5. Step 5: Solve for x
    x = 102,458,367.47/11,140.50
  6. Step 6: Final answer
    x = 9,196.93

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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.