Home / 13,544.66-20,357.09-13,176.51

Finding the Fourth Proportional to 13,544.66, 20,357.09 and 13,176.51

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Solution

The fourth proportional to 13,544.66, 20,357.09 and 13,176.51 is: 19,803.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,544.66 : 20,357.09 = 13,176.51 : x
  2. Step 2: Convert to fraction form
    13,544.66/20,357.09 = 13,176.51/x
  3. Step 3: Cross multiply
    13,544.66x = 20,357.09 × 13,176.51
  4. Step 4: Simplify right side
    13,544.66x = 268,235,334.07
  5. Step 5: Solve for x
    x = 268,235,334.07/13,544.66
  6. Step 6: Final answer
    x = 19,803.78

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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.