Home / 11,639.10-16,063.74-6,603.87

Finding the Fourth Proportional to 11,639.10, 16,063.74 and 6,603.87

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Solution

The fourth proportional to 11,639.10, 16,063.74 and 6,603.87 is: 9,114.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,639.10 : 16,063.74 = 6,603.87 : x
  2. Step 2: Convert to fraction form
    11,639.10/16,063.74 = 6,603.87/x
  3. Step 3: Cross multiply
    11,639.10x = 16,063.74 × 6,603.87
  4. Step 4: Simplify right side
    11,639.10x = 106,082,850.67
  5. Step 5: Solve for x
    x = 106,082,850.67/11,639.10
  6. Step 6: Final answer
    x = 9,114.35

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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.