Home / 13,266.96-19,904.76-6,342

Finding the Fourth Proportional to 13,266.96, 19,904.76 and 6,342

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Solution

The fourth proportional to 13,266.96, 19,904.76 and 6,342 is: 9,515.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,266.96 : 19,904.76 = 6,342 : x
  2. Step 2: Convert to fraction form
    13,266.96/19,904.76 = 6,342/x
  3. Step 3: Cross multiply
    13,266.96x = 19,904.76 × 6,342
  4. Step 4: Simplify right side
    13,266.96x = 126,235,987.92
  5. Step 5: Solve for x
    x = 126,235,987.92/13,266.96
  6. Step 6: Final answer
    x = 9,515.07

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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.