Home / 16,885.56-25,305.70-13,141.86

Finding the Fourth Proportional to 16,885.56, 25,305.70 and 13,141.86

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Solution

The fourth proportional to 16,885.56, 25,305.70 and 13,141.86 is: 19,695.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,885.56 : 25,305.70 = 13,141.86 : x
  2. Step 2: Convert to fraction form
    16,885.56/25,305.70 = 13,141.86/x
  3. Step 3: Cross multiply
    16,885.56x = 25,305.70 × 13,141.86
  4. Step 4: Simplify right side
    16,885.56x = 332,563,966.60
  5. Step 5: Solve for x
    x = 332,563,966.60/16,885.56
  6. Step 6: Final answer
    x = 19,695.17

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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.