Home / 13,364.75-20,037.89-9,618.83

Finding the Fourth Proportional to 13,364.75, 20,037.89 and 9,618.83

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Solution

The fourth proportional to 13,364.75, 20,037.89 and 9,618.83 is: 14,421.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,364.75 : 20,037.89 = 9,618.83 : x
  2. Step 2: Convert to fraction form
    13,364.75/20,037.89 = 9,618.83/x
  3. Step 3: Cross multiply
    13,364.75x = 20,037.89 × 9,618.83
  4. Step 4: Simplify right side
    13,364.75x = 192,741,009.37
  5. Step 5: Solve for x
    x = 192,741,009.37/13,364.75
  6. Step 6: Final answer
    x = 14,421.59

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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.