Home / 11,126.88-16,690.32-4,466.40

Finding the Fourth Proportional to 11,126.88, 16,690.32 and 4,466.40

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Solution

The fourth proportional to 11,126.88, 16,690.32 and 4,466.40 is: 6,699.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,126.88 : 16,690.32 = 4,466.40 : x
  2. Step 2: Convert to fraction form
    11,126.88/16,690.32 = 4,466.40/x
  3. Step 3: Cross multiply
    11,126.88x = 16,690.32 × 4,466.40
  4. Step 4: Simplify right side
    11,126.88x = 74,545,645.25
  5. Step 5: Solve for x
    x = 74,545,645.25/11,126.88
  6. Step 6: Final answer
    x = 6,699.60

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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.