Home / 13,285.47-19,940.49-6,716.24

Finding the Fourth Proportional to 13,285.47, 19,940.49 and 6,716.24

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Solution

The fourth proportional to 13,285.47, 19,940.49 and 6,716.24 is: 10,080.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,285.47 : 19,940.49 = 6,716.24 : x
  2. Step 2: Convert to fraction form
    13,285.47/19,940.49 = 6,716.24/x
  3. Step 3: Cross multiply
    13,285.47x = 19,940.49 × 6,716.24
  4. Step 4: Simplify right side
    13,285.47x = 133,925,016.86
  5. Step 5: Solve for x
    x = 133,925,016.86/13,285.47
  6. Step 6: Final answer
    x = 10,080.56

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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.