Home / 13,496.98-20,215.85-11,130.31

Finding the Fourth Proportional to 13,496.98, 20,215.85 and 11,130.31

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Solution

The fourth proportional to 13,496.98, 20,215.85 and 11,130.31 is: 16,671.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,496.98 : 20,215.85 = 11,130.31 : x
  2. Step 2: Convert to fraction form
    13,496.98/20,215.85 = 11,130.31/x
  3. Step 3: Cross multiply
    13,496.98x = 20,215.85 × 11,130.31
  4. Step 4: Simplify right side
    13,496.98x = 225,008,740.94
  5. Step 5: Solve for x
    x = 225,008,740.94/13,496.98
  6. Step 6: Final answer
    x = 16,671.04

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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.