Home / 13,904.53-20,842.21-6,502.75

Finding the Fourth Proportional to 13,904.53, 20,842.21 and 6,502.75

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Solution

The fourth proportional to 13,904.53, 20,842.21 and 6,502.75 is: 9,747.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,904.53 : 20,842.21 = 6,502.75 : x
  2. Step 2: Convert to fraction form
    13,904.53/20,842.21 = 6,502.75/x
  3. Step 3: Cross multiply
    13,904.53x = 20,842.21 × 6,502.75
  4. Step 4: Simplify right side
    13,904.53x = 135,531,681.08
  5. Step 5: Solve for x
    x = 135,531,681.08/13,904.53
  6. Step 6: Final answer
    x = 9,747.30

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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.