Home / 13,529.29-20,295.83-4,170.06

Finding the Fourth Proportional to 13,529.29, 20,295.83 and 4,170.06

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Solution

The fourth proportional to 13,529.29, 20,295.83 and 4,170.06 is: 6,255.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,529.29 : 20,295.83 = 4,170.06 : x
  2. Step 2: Convert to fraction form
    13,529.29/20,295.83 = 4,170.06/x
  3. Step 3: Cross multiply
    13,529.29x = 20,295.83 × 4,170.06
  4. Step 4: Simplify right side
    13,529.29x = 84,634,828.85
  5. Step 5: Solve for x
    x = 84,634,828.85/13,529.29
  6. Step 6: Final answer
    x = 6,255.68

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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.