Home / 13,719.52-20,562.76-6,313.84

Finding the Fourth Proportional to 13,719.52, 20,562.76 and 6,313.84

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Solution

The fourth proportional to 13,719.52, 20,562.76 and 6,313.84 is: 9,463.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,719.52 : 20,562.76 = 6,313.84 : x
  2. Step 2: Convert to fraction form
    13,719.52/20,562.76 = 6,313.84/x
  3. Step 3: Cross multiply
    13,719.52x = 20,562.76 × 6,313.84
  4. Step 4: Simplify right side
    13,719.52x = 129,829,976.60
  5. Step 5: Solve for x
    x = 129,829,976.60/13,719.52
  6. Step 6: Final answer
    x = 9,463.16

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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.