Home / 14,016.46-19,344.10-7,728.84

Finding the Fourth Proportional to 14,016.46, 19,344.10 and 7,728.84

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Solution

The fourth proportional to 14,016.46, 19,344.10 and 7,728.84 is: 10,666.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,016.46 : 19,344.10 = 7,728.84 : x
  2. Step 2: Convert to fraction form
    14,016.46/19,344.10 = 7,728.84/x
  3. Step 3: Cross multiply
    14,016.46x = 19,344.10 × 7,728.84
  4. Step 4: Simplify right side
    14,016.46x = 149,507,453.84
  5. Step 5: Solve for x
    x = 149,507,453.84/14,016.46
  6. Step 6: Final answer
    x = 10,666.56

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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.