Home / 14,318.89-19,760.21-8,268.69

Finding the Fourth Proportional to 14,318.89, 19,760.21 and 8,268.69

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Solution

The fourth proportional to 14,318.89, 19,760.21 and 8,268.69 is: 11,410.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,318.89 : 19,760.21 = 8,268.69 : x
  2. Step 2: Convert to fraction form
    14,318.89/19,760.21 = 8,268.69/x
  3. Step 3: Cross multiply
    14,318.89x = 19,760.21 × 8,268.69
  4. Step 4: Simplify right side
    14,318.89x = 163,391,071.50
  5. Step 5: Solve for x
    x = 163,391,071.50/14,318.89
  6. Step 6: Final answer
    x = 11,410.88

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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.