Home / 13,493.12-18,625.62-10,145.65

Finding the Fourth Proportional to 13,493.12, 18,625.62 and 10,145.65

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Solution

The fourth proportional to 13,493.12, 18,625.62 and 10,145.65 is: 14,004.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,493.12 : 18,625.62 = 10,145.65 : x
  2. Step 2: Convert to fraction form
    13,493.12/18,625.62 = 10,145.65/x
  3. Step 3: Cross multiply
    13,493.12x = 18,625.62 × 10,145.65
  4. Step 4: Simplify right side
    13,493.12x = 188,968,928.42
  5. Step 5: Solve for x
    x = 188,968,928.42/13,493.12
  6. Step 6: Final answer
    x = 14,004.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.