Home / 11,313.85-16,966.71-3,916.30

Finding the Fourth Proportional to 11,313.85, 16,966.71 and 3,916.30

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Solution

The fourth proportional to 11,313.85, 16,966.71 and 3,916.30 is: 5,873.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,313.85 : 16,966.71 = 3,916.30 : x
  2. Step 2: Convert to fraction form
    11,313.85/16,966.71 = 3,916.30/x
  3. Step 3: Cross multiply
    11,313.85x = 16,966.71 × 3,916.30
  4. Step 4: Simplify right side
    11,313.85x = 66,446,726.37
  5. Step 5: Solve for x
    x = 66,446,726.37/11,313.85
  6. Step 6: Final answer
    x = 5,873.04

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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.