Home / 13,525.86-18,635.99-10,108.56

Finding the Fourth Proportional to 13,525.86, 18,635.99 and 10,108.56

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Solution

The fourth proportional to 13,525.86, 18,635.99 and 10,108.56 is: 13,927.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,525.86 : 18,635.99 = 10,108.56 : x
  2. Step 2: Convert to fraction form
    13,525.86/18,635.99 = 10,108.56/x
  3. Step 3: Cross multiply
    13,525.86x = 18,635.99 × 10,108.56
  4. Step 4: Simplify right side
    13,525.86x = 188,382,972.53
  5. Step 5: Solve for x
    x = 188,382,972.53/13,525.86
  6. Step 6: Final answer
    x = 13,927.62

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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.