Home / 13,453.47-20,186.79-9,529.95

Finding the Fourth Proportional to 13,453.47, 20,186.79 and 9,529.95

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Solution

The fourth proportional to 13,453.47, 20,186.79 and 9,529.95 is: 14,299.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,453.47 : 20,186.79 = 9,529.95 : x
  2. Step 2: Convert to fraction form
    13,453.47/20,186.79 = 9,529.95/x
  3. Step 3: Cross multiply
    13,453.47x = 20,186.79 × 9,529.95
  4. Step 4: Simplify right side
    13,453.47x = 192,379,099.36
  5. Step 5: Solve for x
    x = 192,379,099.36/13,453.47
  6. Step 6: Final answer
    x = 14,299.59

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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.