Home / 11,294.39-16,938.85-5,368.64

Finding the Fourth Proportional to 11,294.39, 16,938.85 and 5,368.64

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Solution

The fourth proportional to 11,294.39, 16,938.85 and 5,368.64 is: 8,051.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,294.39 : 16,938.85 = 5,368.64 : x
  2. Step 2: Convert to fraction form
    11,294.39/16,938.85 = 5,368.64/x
  3. Step 3: Cross multiply
    11,294.39x = 16,938.85 × 5,368.64
  4. Step 4: Simplify right side
    11,294.39x = 90,938,587.66
  5. Step 5: Solve for x
    x = 90,938,587.66/11,294.39
  6. Step 6: Final answer
    x = 8,051.66

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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.