Home / 11,127.40-16,664.10-5,921.80

Finding the Fourth Proportional to 11,127.40, 16,664.10 and 5,921.80

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Solution

The fourth proportional to 11,127.40, 16,664.10 and 5,921.80 is: 8,868.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,127.40 : 16,664.10 = 5,921.80 : x
  2. Step 2: Convert to fraction form
    11,127.40/16,664.10 = 5,921.80/x
  3. Step 3: Cross multiply
    11,127.40x = 16,664.10 × 5,921.80
  4. Step 4: Simplify right side
    11,127.40x = 98,681,467.38
  5. Step 5: Solve for x
    x = 98,681,467.38/11,127.40
  6. Step 6: Final answer
    x = 8,868.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.