Home / 16,811.36-25,193.43-13,285.87

Finding the Fourth Proportional to 16,811.36, 25,193.43 and 13,285.87

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Solution

The fourth proportional to 16,811.36, 25,193.43 and 13,285.87 is: 19,910.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,811.36 : 25,193.43 = 13,285.87 : x
  2. Step 2: Convert to fraction form
    16,811.36/25,193.43 = 13,285.87/x
  3. Step 3: Cross multiply
    16,811.36x = 25,193.43 × 13,285.87
  4. Step 4: Simplify right side
    16,811.36x = 334,716,509.87
  5. Step 5: Solve for x
    x = 334,716,509.87/16,811.36
  6. Step 6: Final answer
    x = 19,910.14

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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.