Home / 12,250.18-16,905.14-6,661.18

Finding the Fourth Proportional to 12,250.18, 16,905.14 and 6,661.18

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Solution

The fourth proportional to 12,250.18, 16,905.14 and 6,661.18 is: 9,192.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,250.18 : 16,905.14 = 6,661.18 : x
  2. Step 2: Convert to fraction form
    12,250.18/16,905.14 = 6,661.18/x
  3. Step 3: Cross multiply
    12,250.18x = 16,905.14 × 6,661.18
  4. Step 4: Simplify right side
    12,250.18x = 112,608,180.47
  5. Step 5: Solve for x
    x = 112,608,180.47/12,250.18
  6. Step 6: Final answer
    x = 9,192.37

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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.