Home / 11,066.80-16,603.28-4,827.36

Finding the Fourth Proportional to 11,066.80, 16,603.28 and 4,827.36

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Solution

The fourth proportional to 11,066.80, 16,603.28 and 4,827.36 is: 7,242.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,066.80 : 16,603.28 = 4,827.36 : x
  2. Step 2: Convert to fraction form
    11,066.80/16,603.28 = 4,827.36/x
  3. Step 3: Cross multiply
    11,066.80x = 16,603.28 × 4,827.36
  4. Step 4: Simplify right side
    11,066.80x = 80,149,902.59
  5. Step 5: Solve for x
    x = 80,149,902.59/11,066.80
  6. Step 6: Final answer
    x = 7,242.37

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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.