Home / 13,544.58-20,282.13-9,378.66

Finding the Fourth Proportional to 13,544.58, 20,282.13 and 9,378.66

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Solution

The fourth proportional to 13,544.58, 20,282.13 and 9,378.66 is: 14,043.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,544.58 : 20,282.13 = 9,378.66 : x
  2. Step 2: Convert to fraction form
    13,544.58/20,282.13 = 9,378.66/x
  3. Step 3: Cross multiply
    13,544.58x = 20,282.13 × 9,378.66
  4. Step 4: Simplify right side
    13,544.58x = 190,219,201.35
  5. Step 5: Solve for x
    x = 190,219,201.35/13,544.58
  6. Step 6: Final answer
    x = 14,043.94

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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.