Home / 11,638.44-16,062.70-6,603.90

Finding the Fourth Proportional to 11,638.44, 16,062.70 and 6,603.90

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Solution

The fourth proportional to 11,638.44, 16,062.70 and 6,603.90 is: 9,114.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,638.44 : 16,062.70 = 6,603.90 : x
  2. Step 2: Convert to fraction form
    11,638.44/16,062.70 = 6,603.90/x
  3. Step 3: Cross multiply
    11,638.44x = 16,062.70 × 6,603.90
  4. Step 4: Simplify right side
    11,638.44x = 106,076,464.53
  5. Step 5: Solve for x
    x = 106,076,464.53/11,638.44
  6. Step 6: Final answer
    x = 9,114.32

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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.