Home / 11,007.36-16,515.36-4,082.40

Finding the Fourth Proportional to 11,007.36, 16,515.36 and 4,082.40

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Solution

The fourth proportional to 11,007.36, 16,515.36 and 4,082.40 is: 6,125.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,007.36 : 16,515.36 = 4,082.40 : x
  2. Step 2: Convert to fraction form
    11,007.36/16,515.36 = 4,082.40/x
  3. Step 3: Cross multiply
    11,007.36x = 16,515.36 × 4,082.40
  4. Step 4: Simplify right side
    11,007.36x = 67,422,305.66
  5. Step 5: Solve for x
    x = 67,422,305.66/11,007.36
  6. Step 6: Final answer
    x = 6,125.20

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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.